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Robert Mushet received a patent for methods of manufacturing steel.
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| Number | Title | Issue Date |
| 5061229 | Four-wheel drive device A transfer portion connected to the output shaft of a transmission portion has a front planetary gear unit the output element of which is connected to the front wheels and a rear planetary gear unit the output element of which is connected to the rear whe... | 10/29/1991 |
| 5057061 | Continuously variable speed transmission A continuously variable speed transmission having a belt drive continuously variable speed transmission in which a belt is wrapped around primary and secondary pulleys each supported on a shaft and each consisting of a pair of sheaves capable of relativel... | 10/15/1991 |
| 5052991 | Planetary gear of automatic transmission In an overdrive planetary gear unit of an automatic transmission, a helical planetary pinion has its front portion cut to form an cutout portion and to have an axial-direction cross section asymmetrical in the direction of its rotation axis in order to un... | 10/01/1991 |
| 5052990 | Transmission using ball and screw mechanical actuators A transmission provided in a power transmitting system and having at least a transmission mechanism and a forward/reverse rotation changeover mechanism controlled on the basis of signals from a control section. The transmission includes a plurality of mec... | 10/01/1991 |
| 5031480 | Hydraulic controller for an automatic transmission An automatic transmission hydraulic controller having a multiplicity of hydraulic servos for respectively controlling a multiplicity of frictional engagement elements. A hydraulic pressure to be supplied to the hydraulic servos is applied to accumulator c... | 07/16/1991 |
| 5020393 | Hydraulic controller for an automatic transmission A hydraulic controller for an automatic transmission, having a band brake having a large stopping force based on a self-boosting effect against rotation in a self-binding direction and having a comparatively small stopping force against rotation in the un... | 06/04/1991 |
| 5021955 | Electronic controller for automatic transmission In an electronic controller for an automatic transmission having at least one driving circuit incorporating a switching device for driving a solenoid used as an actuator, at least one monitor circuit for detecting an abnormal state of the actuator, and a ... | 06/04/1991 |
| 5019810 | Apparatus for detecting malfunction of interface circuit in communication line between controllers in a vehicle control system In a system for controlling a vehicle by exchanging signals between an electronic controller for controlling a vehicle transmission and another electronic controller for controlling a vehicle engine, the transmission controller incorporates a monitor circ... | 05/28/1991 |
| 5016174 | Device and method of fail-safe control for electronically controlled automatic transmission A fail-safe control device for an electronically controlled automatic transmission mounted on a vehicle is provided with a sensor for sensing the number of revolutions input to the transmission and a sensor for sensing the number of revolutions output fro... | 05/14/1991 |
| 5014747 | Pressure control valve A pressure control valve has a valve sleeve, a spool valve mounted for sliding in the valve sleeve in response to a load by an electromagnet, a spring load, and an output pressure feedback load, and the electromagnet portion capable of moving the spool va... | 05/14/1991 |
| 5004440 | Pressure control valve A pressure control valve includes a spool valve slidable in a valve sleeve having a supply port, an output port and an exhaust port, and adapted to receive a load caused by an electromagnet and applies through a push rod, a spring load, and an output pres... | 04/02/1991 |
| 4979072 | Lamp output protective circuit in electronic controller A lamp output protective circuit for an electronic controller having a first npn transistor connected to an output terminal through which a lamp is supplied with electric power, a resistor connected between the emitter of said first npn transistor and the... | 12/18/1990 |
| 4973288 | Belt drive continuously variable speed transmission A continuously variable belt transmission of the type comprising: primary and secondary pulleys, each of which comprises a pair of axially opposed sheaves supported on a shaft, one of the sheaves being movable and the other being fixed; a belt wound aroun... | 11/27/1990 |
| 4971116 | Pressure control valve A pressure control valve including an electromagnet portion, a pressure governing valve portion coupled to the electromagnet portion and hydraulic oil enclosed in said electromagnet portion. The pressure governing valve portion includes a valve sleeve and... | 11/20/1990 |
| 4955258 | Device and method of fail-safe control for electronically controlled automatic transmission In a fail-safe control device for an electronically controlled automatic transmission to be mounted on a vehicle, a sensor for the number of revolution input to a T/M is newly provided for the electronically controlled automatic transmission, and an actua... | 09/11/1990 |
| 4949078 | Fail-safe operation of a vehicle automatic transmission responsive to failure of engine water temperature sensor A fail-safe control device for an electronically controlled automatic transmission to be mounted on a vehicle arranged in such a manner that the number of engine revolution or the number of revolution input to a T/M is detected, the duration of the engine... | 08/14/1990 |
| 4939502 | Device and method of fail-safe control for electronically controlled automatic transmission A fail-safe control device for an electronically controlled automatic transmission to be mounted on a vehicle, the fail-safe control device: detects the battery voltage; previously stores a standard battery voltage; makes a comparison between the thus-det... | 07/03/1990 |
| 4933851 | Method of and apparatus for controlling motor vehicle during speed change operation In engine torque control in a motor vehicle having an engine and a stepping type of transmission, input and output speeds of the transmission are constantly detected by sensors disposed in input and output portions of the transmission, thereby obtaining a... | 06/12/1990 |
| 4898568 | Endless transmission belt An endless transmission belt for use in continuously variable transmissions of the chain type with a number of link plates interconnected in an endless manner. The belt has blocks spaced along the length of the belt, pins spaced along the length of the be... | 02/06/1990 |
| 4896569 | Electronically controlled automatic transmission and method of controlling the same An electronically controlled automatic transmission in which the transmission gear stage and engaging or disengaging operations of a lock-up clutch in a torque converter are determined on the basis of the number of transmission output revolutions and the ... | 01/30/1990 |
