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Hyundai Motor Company Patents
Assignee:
Hyundai Motor Company
Address:
Seoul, KR
No. of patents:
1168
Patents:


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Patent Number Title Of Patent Date Issued
6701247 Diagnostic method and system for a manifold air pressure sensor March 2, 2004
A MAP (Manifold Air Pressure) sensor diagnostic method for a vehicle is provided which uses a calculated intake manifold air pressure as the intake manifold air pressure if the output signal of the MAP sensor is not within a predetermined range, or if the difference between the intake
6698823 Front pillar panel assembly structure of a vehicle March 2, 2004
The present invention discloses a front pillar panel assembly for a vehicle. The front pillar panel assembly includes a side inner panel and a side outer panel, welded together so as to form a closed box-shape in cross-section. A side outer reinforcing panel and a door upper mounting
6697995 Diagnostic method for logic used in vehicle February 24, 2004
Disclosed is a diagnostic method for a logic used in a vehicle in which a sequence of a plurality of logic operations is predetermined, the method comprising the steps of assigning an ID to each logic operation; comparing an ID of a logic operation that should be performed ("correct logi
6695737 Line pressure regulating system for an automatic transmission February 24, 2004
A line pressure regulating system for an automatic transmission comprises a regulator valve that regulates a line pressure by being provided with a hydraulic pressure from an oil pump, wherein the regulator valve is controlled such that a resultant force of a variable control pressure an
6694241 Shift control method and system for automatic transmission February 17, 2004
A shift control method and system is disclosed in which the number of shift signals generated within a predetermined time period after a first shift signal is determined and compared to a predetermined number. If the number is equal to or greater than the predetermined number then the sh
6691690 Method and system for preventing reverse rotation operation of engine February 17, 2004
The present invention relates to a method and system for preventing reverse rotation operation of an engine using a system that includes a crank angle sensor (CAS), a cam position sensor (CPS), and an engine control unit for receiving signals from the CAS and the CPS to perform engine co
6691585 Anthropomorphic dummy head for use in vehicle crash test February 17, 2004
An anthropomorphic dummy head for use in a vehicle crash test is provided that includes a skull member forming a shape of the dummy head and an eye damage measuring part for estimating damage to an eye, wherein the eye damage measuring part comprises a housing disposed inside the skull
6689841 Polypropylene resin composition February 10, 2004
The present invention relates to a polypropylene resin composition and more particularly, to the polypropylene resin composition comprising: (A) a propylene polymer comprising a propylene-ethylene copolymer having a certain limit viscosity alone and/or a propylene homopolymer having a
6689821 Chemical method of removing paint film on plastic resin using isopropyl alcohol February 10, 2004
Thermosetting paint film is removed by adding plastic resin coated with thermosetting paint film into a mixed solution of an alcoholic solvent and alkali and heating this mixed solution while stirring. Isopropyl alcohol, phenoxy alcohol and alkali are added in a reactor and heated to a
6688706 Hydraulic pressure control apparatus for a brake system of a vehicle February 10, 2004
In order to improve precision and reliability of a hydraulic pressure control apparatus for a brake system of a vehicle, this invention provides a hydraulic pressure control apparatus for a brake system of a vehicle including a control unit for controlling operation of the hydraulic
6687599 Method and apparatus for calculating air-mass drawn into cylinders, and method and apparatus for February 3, 2004
There is a time delay between the moment of fuel injection and the moment when air with the injected fuel is drawn into cylinders. At the time of fuel injection, air-mass that will be drawn into cylinders after the delay time is estimated on the basis of expectation values of throttle op
6686869 Method and system for determining driving environment February 3, 2004
When a reflective wave reflected from a preceding object is received, the reflective wave being of an original radar beam scanned at a variable vertical angle, the vertical angle is detected, an absolute speed of the preceding object is calculated based on a vehicle speed and a relative
6684845 Ladder frame of an engine February 3, 2004
An engine ladder frame with minimized noise and vibrations, improved stability of the oil filter, and reduced air in the oil flowing from the cylinder head to the oil pan. Inside an elongate rectangular outer block, three partitioning walls are formed equidistantly, so as to form four
6684175 Display method of an altitude display apparatus for displaying absolute altitude January 27, 2004
In order to reduce confusion about a displayed absolute altitude and to enhance reliability and correctness, the present invention provides a display method of an altitude display apparatus for displaying an absolute altitude wherein an initial atmospheric pressure is detected, and an
6679547 Front pillar reinforcing structure of a vehicle January 20, 2004
The present invention relates to a front pillar reinforcing structure of a vehicle with a front pillar inner reinforcing panel installed at the part where the front pillar upper mounting bracket and the front pillar hinge bracket are folded to receive an impact caused in a collision due
6679136 Parking brake system January 20, 2004
Disclosed herein is a parking brake system. The parking brake system includes a ratchet bracket having a ratchet and rotatably hinged to a brake plate, a first slot formed on the ratchet bracket, and a second slot formed on a cam provided on the lower portion of a parking lever. A pa
6676040 Variable swirl type GDI injector January 13, 2004
The present invention provides a GDI injector of a vehicle engine that can change the level of swirl motion and make it possible to increase engine output and fuel mileage, comprising a nozzle body having an opening along its longitudinal axis, a fuel inlet member, a cylindrically-shaped
6675944 Return apparatus for a clutch piston of an automatic transmission January 13, 2004
In order to minimize an effect of centrifugal force on a release operation of a clutch piston, this invention provides a return apparatus including a spring support rotating at a same speed as the clutch piston, and a return spring abutted at an end against the spring support and exertin
6675084 System and method for controlling an automatic transmission for use in an automobile January 6, 2004
A transmission control system for controlling a transmission is provided with a shift lever whose position is changeable through a lever-shifting action by a driver selecting a transmission stage to be changed into, a transmission stage detection unit for detecting a new position of the
6675079 Fault diagnosis method for an input shaft speed sensor of an automatic transmission January 6, 2004
A fault diagnosis method is provided in which it is possible to determine whether the input shaft speed sensor of the automatic transmission is faulty by using the signals of the output shaft speed sensor, the brake switch, the engine speed sensor and so on, without making use of the
6672667 Anti-submarine seat for an automobile January 6, 2004
The present invention discloses an anti-submarine seat for an automobile. The anti-submarine seat prevents the occupant pelvis from slipping forward during a collision. The present invention discloses installing spring-type actuator means at a lower portion of a seat cushion so as to rai
6672603 Suspension layout using steering gear frame January 6, 2004
The present invention provides a suspension layout using a steering gear frame, in which a steering apparatus assembly and a sub-frame are combined in a single structure. The sub-frame includes a plurality of side members, which are provided along the longitudinal direction of the vehicl
6670927 Vehicular glass antenna December 30, 2003
A vehicular glass antenna wherein the antenna is formed of transparent material and is mounted at a front windshield glass where receptive performance of broadcasting signals is best without obstructing a driver's view.
6668962 Hood hanging structure for a vehicle December 30, 2003
A hood hinging structure of a vehicle is disclosed to minimize the level of an impact to be made on a pedestrian by changing a hinge structure that allows a hood to be rotatively opened or closed at a vehicle body when the pedestrian is hit by a hood having its hinge structure when the p
6666789 Frictional variable transmission for vehicle December 23, 2003
A frictional variable transmission for a vehicle comprising a rotating unit rotated by an engine of the vehicle; a power-varying unit that varies, in a state of contacting the rotating unit, a rotational force transmitted from the rotating unit 21 by moving in a predetermined direction;
6666107 Slide cover unit for a shift lever assembly December 23, 2003
A slide cover unit of a dual mode shift lever assembly is provided to cover a guide groove formed in an indicator panel in order to isolate an interior of a housing regardless of movement direction of the shift lever. The slide cover includes a first cover plate slidably mounted under th
6665602 Kick-down shift control method for five-speed automatic transmission December 16, 2003
A kick-down shift control method for a five-speed automatic transmission comprises: detecting a fifth-to-third or fifth-to-second gear shifting signal; performing fifth-to-fourth gear shifting by performing a duty control on a secondary shift part if the fifth-to-third or fifth-to-second
6662780 Method for controlling limp-home of vehicular electronic throttle system December 16, 2003
A method and system for controlling a limp-home function in an electronic throttle system adapted to prevent stalls which may occur due to failure of electronic throttle system by executing proper limp-home control to cater to a running state of the vehicle.
6659093 System and method for treating blow-by gas in a PCV system of an internal combustion engine December 9, 2003
A system for treating blow-by gas in a PCV (positive crankcase ventilation) system of an internal combustion engine is provided, which comprises a cut-off valve assembly for selectively opening or closing an air duct, a blow-by gas collecting assembly for collecting blow-by gas inside an
6659055 Valve-timing control method and apparatus for controlling valve timing of a valve of an engine December 9, 2003
When a target timing is determined, a current duty-ratio of a solenoid valve is initially adjusted based on a learned initial value, and then gradually adjusted until a current valve timing corresponds to the target timing. The initial value is chosen from learned initial advance and
6658964 Acceleration pedal device of automobile December 9, 2003
An acceleration pedal device of an automobile, the device comprising: an acceleration pedal arm movably mounted by manipulating power of a driver; an acceleration cable connected to the acceleration pedal arm for being strained or relaxed according to movement of the acceleration pedal a
6658961 Shift manipulating apparatus of automatic transmission December 9, 2003
A shift manipulating apparatus for an automatic transmission is disclosed that transmits manipulating force from a shift lever to a manual valve to position the spool of a manual valve at identical places in ranges P and N. The apparatus comprises a shift lever to receive shift range sel
6658953 Reverse shift device of manual transmission December 9, 2003
A reverse shift device of a manual transmission is disclosed to reduce the total length of the transmission, improve shift feeling and decrease noise by excluding a reverse idler gear that rotates, while being meshed between input and output axles, the device comprising: an idle axle fix
6656086 Shift control method for an automatic transmission of a vehicle December 2, 2003
In order to consider a vehicle driving altitude in a shift control method, an atmospheric pressure is detected, values of shift control variables are reset based on the detected atmospheric pressure when a predetermined atmospheric pressure applying condition is satisfied, and shifting i
6655198 Learning method for an automatic transmission of a vehicle and a system thereof December 2, 2003
In order to enable a more rapid shift and to prevent tie-up from occurring when a down-shift occurs during an up-shift, an amount of overrun produced during the down-shift is detected, and a hydraulic duty for an engaging element of the down-shift is modified by performing one of adding
6652416 Method for controlling shifts of automatic transmission in a vehicle November 25, 2003
A method for controlling shifts of an auto vehicle transmission is disclosed to determine a forward running shifting process and then perform forward running operations if a range switch of the shift lever is made according to a backward running vehicle driver's intention to run forw
6652289 Vehicle door connector structure November 25, 2003
A vehicle door connector structure, in which the connector structure is easily and firmly coupled to a vehicle body to secure a tight sealing and prevent water leakage between the vehicle body and the connector structure. The connector structure also prevents vibration and noise, imp
6651291 Wiper assembly capable of adjusting a wiping angle November 25, 2003
The present invention relates to a wiper assembly capable of adjusting a wiping angle, which changes the rotating angle of drive arms in accordance with the change of the operating mode (high-speed operating mode or low-speed operating mode) of a wiper assembly by means of an auxiliary
6648797 Engine control method for reducing emissions during cold start and idling for vehicle November 18, 2003
An engine control method for reducing emissions during cold start and idling is provided, which includes: opening an ISA with a predetermined opening rate such that an air/fuel ratio becomes higher than a stoichiometric air/fuel ratio, and minimizing an engine load caused by an autom
6648796 Method for controlling a damper clutch of an automatic transmission November 18, 2003
A method for controlling a damper clutch release control system which performs duty control in releasing a damper clutch for down-shifting in a sports mode decreasing gear-shift shock, is provided. The method requires determining whether a down-shift signal is inputted in a state when a
6645119 Pinion carrier assembly for an automatic transmission November 11, 2003
This invention provides a pinion carrier assembly for an automatic transmission, which comprises a pinion carrier body and a pinion shaft fixed to the pinion carrier body for rotatably supporting a pinion gear, wherein the pinion shaft is fixed to the pinion carrier body by calking.
6642312 Polyolefin-based composite resin composition having high strength and low linear expansion November 4, 2003
The present invention relates to a polyolefin-based composite resin composition having excellent dimensional stability due to low mold shrinkage, low linear thermal expansion coefficient and low heat sag as well as having excellent mechanical strength, impact resistance, heat resista
6640619 Automobile engine misfire detecting method November 4, 2003
An automobile engine misfire detecting method adapted to use a wide--range oxygen sensor mounted at a gas exhausting system wherein an abrupt man--made concentration change of oxygen is generated prior to entry of conventional misfire detection judging logic and response characteristic
6637797 Trunk lid support device for an automobile October 28, 2003
A trunk lid support device for an automobile, wherein, without great change to the gas pressure of a gas lifter according to the prior art and without big structural modification, the moment force provided by the gas lifter in a maximally open state of the trunk lid can be greatly formed
6637758 Camber control suspension October 28, 2003
The invention relates to a camber control suspension of a vehicle that can form a stable camber angle even at the time when the vehicle rolls as well as when bumping and rebounding, including a camber control rack and camber control links which function to control camber of wheels by sto
6637565 Method for controlling a damper clutch of an automatic transmission October 28, 2003
A method for controlling a damper clutch of an automatic transmission that can perform a normal shifting quality by selecting a correction value according to an outside air temperature for direct connection of the damper clutch and delaying the direct connection of the damper clutch
6637392 Method for controlling a glow plug for diesel engine October 28, 2003
For the purpose of precisely controlling a power supply to the glow plug and thereby reducing unnecessary power consumption, and stopping a control logic for a time when a battery voltage is low and thereby preventing a engine stall, the present invention provides a method for dividing a
6636149 Driving practice display device of surrounding vehicles October 21, 2003
A driving practice display device of surrounding vehicle, the device comprising: a Global Positioning System (GPS) unit for grasping positions of his or her own vehicle and surrounding vehicles; a driving practice grasping unit for grasping his or her own driving practice; a data tra
6634989 Power off upshift control method for automatic transmission October 21, 2003
A power Off upshift control method for an automatic transmission includes the steps of: a) determining if a vehicle is under conditions requiring power Off upshift control; b) starting power Off upshift duty control if the conditions are satisfied; c) calculating average turbine rpm chan
6634987 Creep-control method for an automatic transmission of a vehicle October 21, 2003
The present invention provides a creep-control method for an automatic transmission of a vehicle comprising: creep-entering, in which a hydraulic circuit of the automatic transmission is controlled to form hydraulic pressure supply lines of a second shift-speed when a predetermined c
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