| Patent Number |
Title Of Patent |
Date Issued |
| 4934347 |
Variable compression piston arrangement for internal combustion engine |
June 19, 1990 |
| The pressure prevailing in a variable volume chamber which controls the compression ratio developed by a piston, is used control the movement of a valve which regulates the supply and draining of the chamber. During high load the high pressure is used to drain the chamber while under lig |
| 4809650 |
Variable compression control arrangement for internal combustion engine |
March 7, 1989 |
| To induce high compression engine operation hydraulic fluid is fed into a variable volume chamber defined between an outer piston and an inner one which is reciprocatively disposed therein via a supply passage which includes a one-way valve. When low compression engine operation is r |
| 4759321 |
Valve timing arrangement for internal combustion engine having multiple inlet valves per cylinde |
July 26, 1988 |
| At least one of two inlet valves provided per cylinder of a multi-cylinder internal combustion engine is operated using a variable valve timing device. This device is controlled in response to the load and rotational speed of the engine in a manner which reduces the lift of the valve at |
| 4708101 |
Driving apparatus for intake and exhaust valves of internal combustion engine |
November 24, 1987 |
| There is provided an apparatus for driving intake and exhaust valves (12) of an internal combustion engine. The apparatus comprises a valve lift controlling means (16) connected to the valves to control the lift of the valves in response to the engine operating conditions, valve driving |
| 4509481 |
Internal combustion engine with cooling system |
April 9, 1985 |
| An internal to be at engine is provided with an engine cooling system by which the amount of cooling water introduced to a radiator is changed in accordance with engine load, so that the temperature of the cooling water is controlled to be at lower levels during a high engine load mode |
| 4438736 |
Variable valve timing arrangement with automatic valve clearance adjustment |
March 27, 1984 |
| A variable valve timing system has a lever pivoted at one end on a piston reciprocally disposed in a cylinder and the other end in engagement with a poppet valve. A first cam cooperates with a second bell crank lever like cam which is eccentrically mounted on a rotatable shaft. Rotation |
| 4297302 |
Butterfly throttle valve with a raised upper lip |
October 27, 1981 |
| In an air-fuel mixture supply device for an internal combustion engine, a butterfly-type throttle valve is disclosed whose upstream face is formed with a raised portion extending around the major of its periphery, but which is broken at least at the middle of the downstream part of the |
| 4236493 |
EGR Control system |
December 2, 1980 |
| An EGR control system includes a plurality of ON-OFF air valves to control the amount of air admitted into a control passage extending from a source of constant vacuum to a control vacuum chamber upon which an EGR control valve is operated. The air valves are selectively energized by a |
