| Patent Number |
Title Of Patent |
Date Issued |
| 5088346 |
Power plant structure for motor vehicle |
February 18, 1992 |
| A power plant structure for four wheel drive cars includes an engine part, a clutch part, a transmission part and a transfer part. The clutch part comprises a clutch which is received in a clutch housing. The clutch is coaxially connected to the engine. The transmission part comprises a |
| 4949083 |
Communication system |
August 14, 1990 |
| A communication system includes a plurality of separate transmission units. A common signal line connects the units. A token is transferred from a first of the units to a second of the units during one sequence. The token is a right to output data to the common signal line. When the toke |
| 4897570 |
Starter motor for automitove engine |
January 30, 1990 |
| Elements which exhibit good thermal conductivity are disposed in contact with permanent magnets of an electric motor. These elements absorb heat from the magnets and reduce the rate at which the temperature of the magnets increases. The elements can be provided with fins and the like to |
| 4894781 |
Communication control system |
January 16, 1990 |
| A plurality of control units are connected via a common signal line through which they communicate. Each control unit is operative to control an apparatus according to certain information the control unit normally receives directly through an exclusive signal line by operation of a d |
| 4864568 |
Communication control system |
September 5, 1989 |
| Control units are mutually connected by separate common signal lines. A data link is provided between the control units via a preselected one of the common signal lines. A check is made as to whether the preselected common signal line is operating normally or abnormally. When the pre |
| 4843557 |
Overall diagnosis apparatus for vehicle-mounted control devices |
June 27, 1989 |
| A plurality of control systems mounted on a vehicle such as an automobile, and provided for different controlled objects are respectively made of control computers. These control computers are linked by a common data bus. These computers exclusively execute, for example, an engine contro |
| 4825362 |
Network system for data communication in a vehicle |
April 25, 1989 |
| A data network system for a vehicle having a plurality of separate and distinct control computers carrying out a predetermined control function of the vehicle and a data communication line for communicating data among the control computers. One of the control computers determines the num |
| 4769994 |
Method and apparatus for controlling a variable capacity turbine of an automotive turbocharger |
September 13, 1988 |
| In order to derive the optimal supercharging pressure, a basic control signal by, which a device which varies the capacity of a turbocharger is controlled, is arranged to increase the supercharge pressure until engine knocking or like undesirable phenomenon occurs, whereafter the throttl |
| 4765141 |
Method of controlling a variable geometry type turbocharger |
August 23, 1988 |
| A controller for a variable geometry type turbocharger controls a sectional area of an throttle throat of a turbine through which exhaust gases from an engine is supplied to the turbine on the basis of a engine speed and an amount of air introduced into the engine and includes a bypass p |
| 4763476 |
Controller for variable geometry type turbocharger |
August 16, 1988 |
| A controller for a variable geometry type turbocharger controls a sectional area of an throttle throat of a turbine through which exhaust gases from an engine is supplied to the turbine on the basis of a engine speed and an amount of air introduced into the engine and includes a bypass p |
| 4760275 |
Communication system for vehicle |
July 26, 1988 |
| Sensors detect parameters. Control units control vehicle equipments in accordance with the detected parameters. In each of the control units, at least one of the detected parameters and internally produced data is converted into serial data as communication data, and serial data is c |
| 4756161 |
Controller for variable geometry type turbocharger |
July 12, 1988 |
| A controller for a variable geometry type turbocharger controls a sectional area of an throttle throat of a turbine through which exhaust gases from an engine is supplied to the turbine on the basis of a engine speed and an amount of air introduced into the engine and includes a bypass p |
| 4751783 |
Azimuth determination apparatus |
June 21, 1988 |
| Disclosed is an azimuth determination apparatus attached to a motor vehicle for determinating the forward direction of the vehicle. The azimuth determination apparatus includes an azimuth sensor for generating orthogonal first and second signals indicative of the forward direction of |
| 4691521 |
Supercharger pressure control system for internal combustion engine with turbocharger |
September 8, 1987 |
| The supercharger pressure control system includes a sensor for detecting the supercharger pressure of the engine and regulates the pressure through a variable geometry device or an exhaust bypass valve. The control for the pressure regulation is carried out by comparing the sensed superc |
| 4558417 |
Computer based engine control with lower priority interrupt requests generated in selected highe |
December 10, 1985 |
| An engine control method and apparatus generally applicable to those control systems of the engine such as an ignition system, fuel injection system, etc., which are controlled to optimum operation in accordance with the engine operating conditions. A plurality of angular pulses are |
| 4553208 |
Engine control event timing employing both crank angle rotation and time measurements |
November 12, 1985 |
| An engine control method generally applicable to those control systems of the engine such as an ignition system, fuel injection system, etc., which are controlled to optimum operation in accordance with engine operating conditions. Angular pulses are generated each time the output shaft |
| 4522176 |
Air flow control apparatus for internal combustion engine |
June 11, 1985 |
| In an air flow control apparatus for controlling an amount of air flow under control of a throttle valve in an engine, a sensor produces a first signal indicative of engine operation, and another sensor produces a second signal indicative of the atmospheric pressure. A microcomputer |
| 4509331 |
Knock-free engine control system for turbocharged automotive engine |
April 9, 1985 |
| In a turbocharged internal combustion engine, in order to optimize engine torque output spark timing control and boost pressure control are coordinated in such a manner that spark advance angle is adjusted only when the measured boost pressure equals a predetermined value and is allo |
| 4476532 |
Method and apparatus for controlling the duty cycle of an off-on type valve by monitoring the hi |
October 9, 1984 |
| An engine control method generally applicable to those control systems of the engine such as an ignition system, fuel injection system, etc., which are controlled to optimum operation in accordance with the engine operating conditions. In this method, an operation starting timing and an |
| 4428342 |
Method and system for operating an internal combustion engine at optimum torque |
January 31, 1984 |
| Spark ignition timing of an internal combustion engine is oscillated on each side of a variable reference setting by varying it at stepwisely variable amounts during positive and negative swings and the resultant engine speed is detected in at least three successive phases. The detected |
| 4379333 |
Method and system for operating a power-producing machine at maximum torque under varying operat |
April 5, 1983 |
| Spark ignition timing of an internal combustion engine is oscillated on opposite sides of the setting of a variable reference timing and the resultant engine speed is detected in at least three successive phases of the oscillation and stored in respective memories. The contents of the |
| 4352271 |
Steam feeding apparatus for a multicylinder steam engine |
October 5, 1982 |
| In a multicylinder steam engine, separate steam feed conduits between a steam distributor and steam inlet valves of the cylinders and a large volume steam chamber adjacent to an inlet of the inlet valves respectively to suppress a pressure pulsation in the feed conduits. |
| 4347570 |
Method and apparatus for controlling ignition coil energization |
August 31, 1982 |
| An engine control method and apparatus generally applicable to those control systems of the engine such as an ignition system, fuel injection system, etc., which are controlled to optimum operation in accordance with the engine operating conditions. In this method, an operation starting |