PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Qq

Q letter on the sidewall of a tyre
denoting the maximum speed for
which it is designed (160 km/h or
100 mph): Ký tự trên vỏ xe chỉ
tốc độ tối đa 160 km/h
QTS = QUARTZ TUNING SYSTEM:
Hệ thống dò đài tự động trong
radio
quad-cam engine n. engine with four
camshafts: Động cơ 4 trục cam
quadrant n. (a) (transmission) guide
which indicates the position of the
gear selector of an automatic
gearbox: Bảng báo vò trí cài số
(b) (steering) the V-shaped
toothed section of a worm-and-
section steering box: phần răng
dạng chữ V của bánh vít trong
hộp lái
quarter bumper n. type of shortened
bumper designed to give a car a
sporting image: Thanh cản ngắn
gắn thêm để xe có dáng thể thao
quarter-elliptic leaf spring n.
cantilevered half of a semi-elliptic
leaf spring, rigidly attached to a

combustion, due to contact with
the relatively cold metal surface;
incomplete combustion in the
quench zones is one of the two
major factors contributing to HC
and CO concentrations in the
exhaust gas: Vùng lạnh trong
buồng cháy (tỷ lệ hoà khí trong
vùng hơi nghèo do tiếp xúc với
bề mặt lạnh của kim loại).
quick take-up valve n. residual
pressure valve with relief hole in
a brake master cylinder: Van cắt
áp suất dư (phanh)
quill shaft n. hollow shaft: Trục rỗng

Q

quill shaft

PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Rr

R (a) = REVERSE : Tay số lùi R
(b) letter on a fuel gauge
indicating low fuel; when first
illuminated it indicates that there
is approximately five litres left in

 rack galvanizing n.
galvanizing method for objects
which can be placed on a rack:
Mạ kẽm với các chi tiết đặt trên
thanh răng
rad (short for) radiator: Bộ tản nhiệt,
két nước
radial bearing n. bearing designed to
absorb the radial forces acting on
a pump: Ổ bi thiết kế để giảm
lực xuyên tâm trong bơm
 radial clearance n. = RADIAL
PLAY: Khe hở xuyên tâm
 radial engine n. multi-cylinder
engine in which the cylinders
radiate from a central crankshaft:
Động cơ hình sao
 radial-flow pump n. end-
suction centrifugal pump with the
liquid flowing perpendicular to the
pump shaft: Bơm hướng tâm.
 radial play n. bearing clearance
in the radial direction: Khe hở
bạc lót theo hướng tâm
 radial runout n. variation in
the radius of the tyre tread from
the wheel axis, making the tyre no
longer truly round; one of the
main causes of vehicle vibration:
Độ đảo hướng tâm.

 radiator drain cock n.
radiator tap; unlike the radiator
drain plug, tools are not required
to drain the coolant from a
radiator with a drain cock: Vòi xả
két nùc
 radiator drain plug =
threaded closure plug located at
the underside of a radiator used to
drain the coolant; usually
equipped with a hex or Allen
head: Ốc xả két nước
radiator fan n. (of water-cooled
engine) crankshaft-driven fan
connected via a temperature-
sensitive viscous coupling, or
driven by an electric motor: Quạt
làm mát két nước
 radiator fan motor =
electrically operated motor
responsible for driving the
radiator fan: Môtơ quạt két nước
radiator grille n. grating that admits
cooling air to the radiator: Vỉ két
nước
 radiator grille surround n.
sheet metal panel for mounting
the radiator grille; often combined
with the front apron to from a
single front panel: Đường viền

the contact points in the
instrument voltage regulator:
Cuộn dây chống nhiễu.
 Radio Data System (RDS) n.
system which interrupts a radio
broadcast with the latest
information on e. g. traffic
problems: Hệ thống ngắt sóng
radio để báo kẹt xe.
radiator

Radio Data System
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 radio frequency interference
(RFI) n. interference generated by the
ignition system and other electrical
apparatus; counteracted by
suppressors: Nhiễu radio do sóng
điện từ
radius arm or rod n. additional
suspension link in a beam axle
layout providing fore-and-aft
location of the axle: Thanh đẩy
phụ của hệ thống treo (thanh
kim loại được lắp vào hai bên
cầu xe và sườn xe để giữ đúng vò
trí nằm ngang của cầu xe)
rain channel n. : Rãnh thoát nước

 ratchet adaptor = converts a
torque wrench or drive handle
without a ratchet mechanism into
a reversible ratchet tool: Bộ phận
chuyển cần siết 1 chiều thành 2
chiều
 ratchet handle = RATCHET
 ratchet screwdriver =
screwdriver with ratchet
mechanism: Tua nơ vít có bánh
cóc
rated capacity n. the quantity of
electricity which can be drawn
from a fully charged-battery for
20 hours by a constant discharging
current until cutoff voltage of 1.75
volts per cell is reached: Dung
lượng đònh mức của ắc quy.
 rated power n. the horsepower
(or kilowatt) power output of an
engine: Công suất ra của động
cơ.
 rated voltage n. the voltage
give for electrical equipment or
devices which refers to specified
operating conditions: Điện áp
đònh mức.
rationalization n. industrial re-
organization primarily aimed at a
more cost-effective and time-

đầu bougie.
reaction distance n. the time needed
to respond to a situation,
translated into the distance
required for this, depending on the
speed of travel; braking distance
plus reaction distance equals the
stopping distance: Thời gian đáp
ứng phanh
reaction injection moulding (RIM)
n. processing technique for the
production of large foamed
(automotive) components, based
on the simultaneous injection of
the liquid components and the
chemical reaction in the mould:
Kỹ thuật xử lý khi sản xuất
những chi tiết chất dẻo bằng
phương pháp ép khuôn
 reactive suspension n. =
ELECTRONIC RIDE CONTROL
 reactor one-way clutch n. =
STATOR ROLLER CLUTCH
real-time four-wheel drive n.
automatic four-wheel drive
engagement by means of an
electro-hydraulic clutch or a
viscous coupling incorporated in
the drive train: Truyền động 4
bánh tự động qua ly hợp điện-

backrest and separates the interior
from the trunk: Vách ngăn giữa
ghế sau và ngăn để đồ
 rear bumper skirt n. rear
bumper with integral skirt; a large
plastic mounting: Thanh cản sau
raw exhaust gas

rear bumper skirt

PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 rear cabin pillar n. C-PILLAR:
Trụ đỡ cabin phía sau
 rear end n. the rear part of the
body shell, extending
approximately from the rear seat
pan to the rear apron of the car,
incorporating the boot floor: Đuôi
xe.
 rear engine n. engine located
at the rear of a vehicle but outside
the wheelbase (i. e. behind rear
wheels): Động cơ đặt phía sau
 rear fog light or lamp n. red
light of the same intensity as a
brake light: Đèn sương mù đằng
sau
 rear-hinged door n. older type

bumper area downwards: Panô
phía sau.
(NOTE: US English is back
panel)
rear seat belt n. inertia reel belt fitted
at each end of the rear seats; a
passeng erriding in the middle of
the rear seats must be satisfied
with just a lap belt, which many
safety experts regard as
inadequate: Dây đai an toàn chỗ
ngồi phía sau
 rear side window n. may refer
to various types of side body
glass; the side window between
the B- and C- posts of two-door
saloons, the rearmost side window
of estate cars between the C- and
D-post, i. e. behind the rear seat
backrest, and the third side
window found on some four-door
saloons behind the rear side
doors: Cửa hông phía sau
 rear spoiler n. aerofoil
mounted on the rear deck,
typically made of shock-resistant
polyurethane with paintable matt
black finish; effective only at high
speeds, but frequently used for the
sake of appearance: Thanh khí

wheels of the vehicle are driven:
truyền động bánh sau
 rear-wheel drive transaxle =
rear-wheel drive construction
incorporating a transmission-
differential unit placed between
the rear wheels of a front-engined
car: Transaxle (hộp số và cầu)
dành cho xe cầu sau chủ động.
 rear window n. central window
at the rear of a vehicle: Kính phía
sau (NOTE: US English is
backlight)
 rear window heating = heating
element that demists inside and
de-ices outside: Xông kính sau.
(NOTE: US English is backlight
heater system)
 rear window louvers = plastic
molding attached to the rear
window which deflects sun rays to
keep the interior cool; usually
hinged to lift up for easy window
cleaning: Tấm che nắng phía
sau.
 rear wing n. body panel which
partially encloses a rear wheel:
Vè bánh sau
reboard (system) n. child restraint
system typically installed

receiver n. (a) (e. g. of radio remote
control system device that
receives incoming electrical or
rear
-
view m
irror

receiver
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
radio signals: Bộ phận thu tín
hiệu trong điều khiển từ xa
(NOTE: opposite is transmitter)
(b) (trailer towing) steel tubing
and channel structure that accepts
the ball-mount platform of a
removable trailer coupler: Khớp
nối rơ moóc
 receiver-drier n. device on
the high side of an air-
conditioning system, somewhere
between the condenser and the
expansion valve, which stores
excess refrigerant and removes
moisture from the refrigerant;
consists of a tank, a filter, a drying
agent, a pick-up tube, and, on
some units, a sight glass: Lọc ga

reduce friction: Hệ thống lái có
bánh vít và đai ốc di chuyển ăn
khớp với nhau, giữa có bi di
chuyển
reconditioned engine or (informal)
recon n. worn engine that has
been given a new lease of life by
reboring the cylinders, regrinding
the crankshaft journals and
generally replacing anyworn or
damaged parts: Động cơ đã đại tu
recreational vehicle (RV) n. any
vehicle used for pleasure rather
than business or transport (e. g.
dune buggies): Xe phục vụ giải
trí
rectangular-section ring n.
compression ring with a
rectangular cross section:
Xécmăng có mặt cắt hình chữ
nhật
 rectangular headlamp n.
modern shape of headlamp as
opposed to the traditional circular
headlamp: Đèn đầu hình chữ
nhật
rectifier diode n. (in alternator)
semiconductor diode that converts
alternating current to direct
current: Điôt chỉnh lưu

compatible with lacquer paints:
Chất tẩy men tổng hợp
reducing agent n. (in chemical
reactions) material which adds
electrons to an element or
compound, i. e. which increases
the positiveness of its valence:
Chất khử
 reducing catalyst n. a catalyst
such as rhodium which converts
nitrogen oxides into harmless
nitrogen and oxygen in a reducing
catalytic converter: Chất xúc tác
khử oxyt nitơ trong bộ xúc tác
 reducing furnace n. section in
continuous galvanizing lines in
which the oxygen content of steel
surfaces is reduced at 900 - 980
0
C
by means of hydrogen: Lò giảm
hàm lượng oxy trên bề mặt thép
bằng hydro trong dây chuyền
mạ
 reduction n. chemical reaction
in which an element gains
electrons, i. e. , has an increase in
positive valence: Sự khử.
reduction gearbox n. gearbox
located at the wheels, which

oscilloscope pattern of an intact
ignition system for comparison
purposes: Dạng xung chuẩn đánh
lửa vít dùng để so sánh.
recycling car

reference ignition pattern

PGS. TS. ĐỖ VĂN DŨNG
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 reference input n. in closed-
loop control, the reference input is
fed to a controller that changes a
controlled variable in a controlled
system to achieve a certain output
condition or actual value: Giá trò
so sánh (điều khiển kín)
 reference mark sensor n.
magnetic pick-up attached to the
flywheel for sensing the
crankshaft position and
transferring the signal to the
electronic control unit, which
calculates the ignition point; the
reference mark sensor scans a pin
or a hole in the flywheel and
produces one output signal per
crankshaft revolution: Cảm biến
vò trí trục khuỷu (thường nằm

headlamps behind: Tấm phản
chiếu ánh sáng ở đuôi xe
refrigerant n. (in air-conditioning
sustems) substance used in
refrigerating systems; automotive
air conditioners now use non-
Freon systems as well as the
refrigerant R-12 (Freon) as a heat
transfer medium: Môi chất làm
lạnh, lãnh chất
 refrigerant accumulator =
ACCUMULATOR-DRIER: Lọc
ga
refrigeration cycle n. (in air-
conditioning systems) refrigerant
in vapour from is pressurized in
the compressor, air-cooled in the
condenser and becomes a liquid
which passes through the
receiver-drier into low-pressure
liquid. It then flows through the
evaporator where it expands again
and starts to boil, absorbing heat
from the core and cooling the air
going into the passenger
compartment. The compressor
draws off the low-pressure
vaporized refrigerant and recyles
it: Chu trình làm lạnh
regenerative braking n. system in

đăng bộ xe
 registration number = unique
sequence of letters and numbers
assigned to a vehicle when it is
registered, usually indicating the
year and place of registration,
displayed on numberplates on the
front and rear of the vehicle: Số
đăng ký xe
 registration plate =
NUMBERPLATE: Bảng số đăng
ký xe
regrind 1 v. to smooth and polish
again (e. g. valve seats): Mài lại
regulated proportioning valve n. =
LOAD-SENSITIVE
PROPORTIONING VALVE: Van
phân phối theo tải
regulator n. any device which controls
fluid flow, pressure, temperature,
voltage, etc.: Bộ điều chỉnh
reinforce v. to increase the strength
of plastics by filling them with
whiskers of glass, metal, fibres,
etc.: Gia cố, tăng cường.
relative humidity (RH) n.
dimensionless ratio of the actual
vapour pressure of the air to the
saturation vapour pressure: Độ
ẩm tương đối


release lever
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 release wax see RELEASE
AGENT
 releasing fluid n. penetrating
oil for loosening seized parts: Dầu
dùng để làm lỏng chi tiết bò dính
do gỉ sét
relief passage n. = BYPASS:
Đường vòng, đường rẽ.
 relief valve n. (a) =
PRESSURE RELIEF VALVE
(b) valve in the air pump of an air
injection system which dumps part
of the air at high pump speeds to
prevent pump damage; may be
combined with the air gulp valve:
Van an toàn
reline v. to replace the brake shoes
in drum brakes: Thay bố phanh
trống (phanh)
reluctor n. (magnetic pick-up
assembly) = TRIGGER WHEEL:
Rotor, bánh răng trong cảm
biến điện từ.
remote control n. (a) control of
something from a distance: Sự

not include the full panel used for
assembling the car but only the
most vulnerable areas; i. e. for
wings, separate repair sections are
supplied for the headlamp area
and the bottom wing edges, where
damage usually occurs: Những bộ
phận rời để sửa chữa phần thân
xe.
repeater (lamp) n. direction indicator
on the side of a vehicle: Đèn xi
nhan(báo rẽ) bên hông xe.
replacement panel n. body panel
supplied for repair purposes;
sometimes also used to denote a
repair section: Tấm khung để
thay thế.
 replacement vehicle n. a car
lent by a dealer to a customer
while the customer's car is under
repair: Xe garage cho mượn
chạy tạm khi sửa chữa xe khách
hàng
replenishing port n. port in the
master cylinder body which
connects the fluid reservoir to the
annulus of the primary piston: Lỗ
release wax

replenishing port

discharge rate of 25 amps: Dung
lượng dự trữ của ắc quy tính
bằng phút khi phóng dòng 25 A
reservoir n. (a) any container filled
with fluid: Thùng chứa, bình
chứa (chất lỏng)
(b) (double-tube shock absorber)
the space between the outer and
inner tubes of a double-tube shock
absorber which takes up the oil
squeezed out of the working
chamber corresponding to the
volume of the piston rod
immersed in the working
chamber: Ngăn chứa dầu trong
ống nhún kép
reshaping n. panel beating process
for removing dents: the panel is
brought roughly into its original
shape before detailed work is
performed in the finishing stage;
may also refer to the process of
forming a panel from sheet steel:
Gò lại
residual check valve n. =
RESIDUAL PRESSURE VALVE:
Van áp suất dư
 residual exhaust gases n.
exhaust gas remaining the
cylinder of a two-stroke engine

295
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
indication of temperature: Cảm
biến nhiệt điện trở
 resistance welding n. a fusion
welding method using electric
current and pressure; includes
spot, seam, projection, and butt
welding: Kỹ thuật hàn bấm.
 resistivity n. ability of a
material not to conduct electricity:
Điện trở suất (NOTE: opposite is
conductivity)
 resistor n. component that
reduces the current in an electrical
circuit: Điện trở
 resistor sparking plug =
sparking plug containing a resistor
to suppress interference with
audio-visual reception: Điện trở
đặt trong bougie (để chống
nhiễu)
resonator n. (a) any device that
attenuates pressure spikes: Bộ
phận giảm dao động áp suất
(b) first silencer in a two-silencer
system: Ống pô thứ nhất (loại 2
pô nối tiếp)
respray v. & n. (to add) a coat (or
several coats) of paint to the

retainer (pin) n. = PAD
RETAINER (PIN): Chốt hãm.
 retainer plate n. plate which
prevents a value from sliding out
of its bore: Đóa giữ.
 retainer spring tool n. special
automotive tool used on drum
brakes for restraining the shoe
retaining springs for removal and
installation; comes in a variety of
shapes, e. g. as a screwdriver-type
tool with a special socket end to
trip retaining washers: Dụng cụ
kẹp lò xo sử dụng để tháo lắp
phanh loại tang trống.
retard v. (ignition timing) to cause
the spark to occur later: đánh lửa
trễ, muộn.
(NOTE: opposite is advance)
 retarded a. occurring late:
xảy ra trễ, muộn.
(NOTE: opposite is advanced)
resistance welding

retarded
PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 retarder n. (a) additive to
decrease the evaporation rate of a

thêm những bộ phận mới trên
xe sau khi mua
rev (short for) revolution: Số vòng
quay, tốc độ động cơ
 rev counter n. (informal)
tachometer: Đồng hồ đo tốc độ
động cơ
reverse 1 v. to drive backwards: Lái
lùi lại, de xe.
(NOTE: US English is to back up)
2 n. (short for) reverse gear (R):
Số lùi
 reverse clutch n. clutch which
couples the components of
planetary gear sets or trains in
such a way that the vehicle can be
driven backwards: Ly hợp số lùi
 reverse-flow scavenging n.
scavenging system for two-stroke
engines in which a cylinder has
two pairs of transfer ports, at the
front and rear respectively, with
two exhaust ports located on
either side of the two pairs of
transfer ports; the incoming
streams of mixture spread out like
a fan, are deflected downward and
expel the spent gases: Sự đổi
chiều của dòng khí quét (2 kỳ)
 reverse (gear) n. very low

commercial vehicle engages
reversegear: Tín hiệu báo lùi xe.
(NOTE: US English is back-up
alarm)
rev limiter n. = ENGINE SPEED
LIMITER: Bộ phận giới hạn tốc
độ động cơ
 revolution counter n. (a)
tachometer, which measures the
engine speed in rpm (b) counter
which counts the total revolutions
of a shaft (as opposed to rpm):
Đồng hồ ghi số vòng quay
 revolutions per minute (rpm)
n. number of times the crankshaft
turns in one minute: Số vòng quay
trong một phút
RFI = RADIO FREQUENCY
INTERFERENCE
 RFI suppressed sparking plugs
= fully shielded and resistor
sparking plugs: Bougie chống gây
nhiễu vô tuyến.
RH = RELATIVE HUMIDITY: Độ
ẩm tương đối.
RIGHT HAND: Ở bên tay phải
 RHD = RIGHT-HAND
DRIVE: Xe tay lái nghòch.
rheostat n. resistor with variable
resistance: Biến trở

CLEARANCE: Khoảng sáng
gầm xe.
 rideheight adjuster =
GROUND CLEARANCE
CONTROL
 ride levelling n. =
AUTOMATIC LEVEL
CONTROL (SYSTEM)
ridge n. (a) the cutting edge of a
screw thread (surmounting the
flanks): Đỉnh ren.
(b) (in wheel rims) = HUMP: Cái
gờ , cái bướu của niềng bánh xe.
right-hand drive (RHD) n. steering
system in which the steering
wheel is located on the right-hand
side of the vehicle; used for
driving on the left, as in the UK,
reversing warning signal

right
-
hand drive
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Japan, Australia, etc.: Xe tay lái
nghòch.
(NOTE: opposite is left-hand
drive)

bead seats and the vertical walls
of the rim flanges: Đường kính
niềng
 rim flange n. the part of a rim
that supports the tyre bead in a
lateral direction; the linear
distance between the two rim
flanges is termed rim width: Mép
vành bánh xe
 rim ridge n. = HUMP: Vòng
gân vành bánh xe
 rim size n. comprises the rim
width and rim diameter and is
measured in inches: Kích cỡ
niềng
 rim type n. depending on the
type of tyre, rim types differ
according to the rim profile and
the number of rim parts: Kiểu,
loại niềng
rim width n. the nominal distance
between the rim flanges: Bề
ngang vành bánh xe
 ring belt n. the lands and rings
of a piston: Vùng đầu piston
 ring expander n. = PISTON
RING PLIERS: Kìm tháo xéc-
măng
 ring gap n. the gap between
the piston ring ends with the

together: Súng bắn đinh tán
road-draft tube n. US = OIL
BREATHER PIPE: Ống thông
hơi dầu.
 road fund licence n. licence
showing that road tax has been
paid: Giấy đóng lệ phí cầu
đường.
 road hog n. (informal) a
selfish, often aggressive driver:
Người lái xe bạt mạng
 road speed n. vehicle speed
along a road, measured in mph or
km/h: Tốc độ xe đường trường.
roadster n. open two-seater with a
folding top made of unlined
canvas: Loại xe mui trần, hai
chỗ ngồi.
road tax n. annual tax paid in order
to use a vehicle on the roads:
Thuế cầu đường.
 road test n. (a) a test to check
that a car is roadworthy after
repair: Kiểm tra xe bằng cách
chạy thử trên đường sau khi sửa
chữa
(b) a test of a car (e. g. a new
model) in actual use; for example,
by a magazine for comparison
with other models: Thử xe mới để

 rocker cover gasket = gasket
between the cylinder head and the
rocker cover; usually either a flat
paper or cork gasket or an O-ring:
Đệm kín nắp dàn cò xúpáp.
 rocker panel n. = SILL:
Ngưỡng cửa.
 rocker shaft n. the outgoing
shaft of the steering gearbox, to
which the drop arm is connected:
Trục rẽ quạt
(NOTE: US English is cross-
shaft)
roll (angle) n. angular displacement
of a vehicle about its longitudinal
axis, i. e. tendency of a vehicle to
heel over when cornering or in
road
-
draft

roll (angle)
PGS. TS. ĐỖ VĂN DŨNG
300
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
high cross winds: Góc lăn, góc
quay (xe)
 roll axis n. axis through the
front and rear roll centres: Trục
lăn

 roller dynamometer n.
dynamometer attached to a rolling
road: Băng thử công suất dạng
con lăn.
 roller tappet n. connecting link
between the lower end of a
pushrod and the camshaft,
equipped with one roller to roduce
the friction between the pushrod
or tappet and the cam during
engine operation: Con đội lăn
giữa đũa sú páp và trục cam.
 roller-vane pump n. rotary
vane pump with rollers as
pumping elements which slide
against the pump body when the
rotor rotates: Bơm cánh con lăn
rolling bearing n. = ANTI-FRICTION
BEARING
 rolling circumference n. the
circumference of a loaded tyre:
Vết lăn của bánh xe khi có tải
 rolling friction n. frictional
resistance to rotation in rolling
bearings: Ma sát lăn
 rolling radius n. radius of a
loaded tyre from its axis to the
centre of the contactpatch: Bán
kính lăn
 rolling resistance n. resistance

(chassis) resistance of a vehicle
body to rolling, which depends on
the stiffness of the suspension
springs and anti-roll bar: Khả
năng chống lật.
roll test n. serves to test-drive train
functions; may include separate
tests for front and rear axle, left-
and right-hand sides, noise test;
typical duration is two minutes:
Kiểm tra sự lăn
roll understeer n. understeer caused
by roll when cornering: Quay
vòng thiếu do lăn
(NOTE: opposite is roll
oversteer)
RON = RESEARCH OCTANE
NUMBER
roo bar (Australian for) NERF BAR:
Thanh đỡ va (thanh cản trước)
roof box n. enclosed, multi-purpose
roof carrier: Mui xe đa năng.
 roof brace n. transverse rail
that supports the roof panel; there
are usually several roof braces:
Trụ chống mui xe.
 roof panel n. the horizontal
outer layer of the sheet metal roof
panels that is spot-welded along
its edges to the top of the roof,

rotary disc valve n. valve employed
as an inlet control in modern two-
stroke engines, consisting of a thin
steel disc attached to one end of
the crankshaft: Van đóa quay (2
kỳ)
rotary (piston) engine n. an engine
which uses no reciprocating
pistons; instead, triangular rotors
revolve in specially shaped
housings; the Wankel engine is
the only type of rotary engine at
present in production: Động cơ có
piston quay tròn, động cơ
Wankel
roll oversteer

rotary (piston) engine
PGS. TS. ĐỖ VĂN DŨNG
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Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
 rotary pump n. pump with
rotating members: Bơm quay
tròn
 rotary valve n. engine or pump
component forming part of a
rotating assembly; may be
designed as a cylindrical or a disc
valve: Van quay
 rotary vane pump n. = VANE

magnetic winding, which create a
rotating magnetic field whose
lines of force cut the stationary
conductors in the stator; usually of
claw-pole design: Phần quay của
máy phát, rotor
(e) rotating displacement element
of a rotary pump, such as a gear,
screw, piston, etc.: Chi tiết quay
của bơm quay
(f) moving part of a pulse
generator: Phần quay của cảm
biến điện từ
(NOTE: opposite is stator)
(g) rotating element of a Roots
supercharger: Phần quay của
bơm tăng áp kiểu Root
 rotor arm n. = ROTOR
 rotor-type pump n. engine oil
pump in which an internal rotor, e.
g. with four external lobes, is used
to drive an eccentric external
gear, e. g. with five internal
lobespaces; operates in a similar
way to gear pumps, but has higher
pump capacity, and is quieter and
more expensive: Bơm rôto
rotowelding n. = FRICTION
WELDING
rotten-egg smell n. in cars equipped

term including cup head bolts and
mushroom head bolts: Bu - lông
đầu tròn
 round hump n. safety contour
on both rim bead seats preventing
the tyre from sliding into the rim
well: Cái bướu tròn trên niềng
xe.
route 1 n. direction taken (by a
cable, etc.): Đường đi, lộ trình.
2 v. to lay (something) in a certain
direction: Theo tuyến đường.
rpm (short for) revolutions per minute;
engine speed as measured by
crankshaft revolutions per minute:
Tốc độ vòng của động cơ
 rpm sensor = ENGINE SPEED
SENSOR: Cảm biến tốc độ động
cơ
RRIM = REINFORCED REACTION
INJECTION MOULDING
r / seat (short for) rear seat: ghế sau
RTV = ROOM TEMPERATURE
VULCANIZING: Keo làm roong
lỏng đông lại ở nhiệt độ trong
phòng
rubber n. (a) a natural elastomer that
at room temperature returns
rapidly to approximately its initial
dimension and shape after

 rubbing compound n. =
CUTTING COMPOUND
 rubbing strip n. strip of plastic
at the widest point of the body,
along doors and wings down each
side of the car to protect the
bodywork from minor knocks, (as
from the open door of a
neighbouring car): Dải băng dọc
thân xe chống cọ xát.
roundabout

rubbing strip
PGS. TS. ĐỖ VĂN DŨNG
304
Tự điển Anh – Việt chuyên ngành Công nghệ Ô tô
Rudge nut n. quick-release nut for
central-locking wheels: Đai ốc
Rudge
rumble n. characteristic, low-pitched
noise made by worn main
bearings: Tiếng kêu đặc trưng do
bạc lót trục khuỷu mòn gây ra
 rumble seat n. US = DICKEY
SEAT: Ghế phụ đằng sau ở xe
hai chỗ.
run 1 n. (paint fault) the trail of a
paint drip; a dribble of paint: Sự
chảy xuống của lớp sơn
2 v. (of paint) to form a run:

doors of a car; common on early
motor vehicles, now only seen on
VW Beetles, pick-ups and some
limousines: Bậc lên xuống xe
 running gear n. the moving
components which link the lower
part of the vehicle to the wheels, i.
e. suspension, including control
arms, springs, shock absorbers,
steering components, etc.: Các bộ
phận nối phần dưới khung xe với
bánh xe
running-in n. driving a vehicle or
running an engine or enter
mechanical unit at reduced speed
and load when new, to prevent
pick-up and seizure of the bearing
surfaces, and to ensure even
initial wear: Chạy rà
 running-on n. condition of a
SI engine in which fuel continues
to burn after the ignition has been
turned off, causing the engine to
run on (for a few seconds): Máy
vẫn nổ sau khi tắt công tắc máy
(động cơ xăng)
(NOTE: also called dieselling)
 running-on control valve =
IDLE STOP VALVE: Van khóa
cầm chừng

 rust inhibitor n. inhibitor
which reduces or prevents the
formation of rust on iron and
ferrous metals: Chất chống gỉ
 rust inspection n. car
inspection conducted to detect rust
and corrosion damage, usually by
means of an endoscope: Sự kiểm
tra gỉ sét.
 rust killer n. substances which,
according to their manufacturers,
convert rust into a dry mass which
can be removed with water: Chất
làm sạch gỉ.
 rustproof 1 a. resistant to
rust: Không gỉ
2 v. to make resistant to rust: Xử
lý để chống gỉ
 rustproofing n. making
resistant to rust: Làm chống gỉ
 rustproofing agent = anti-
corrosion, wax-based sealant:
Chất chống gỉ
 rust protection n. reducing
the possibility of rust forming on
iron and steel by coating with
protective materials or by
rendering them passive: Sự bảo
vệ khỏi gỉ
 rust remover n. any chemical