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| Number | Title | Issue Date |
| 4382390 | Camshaft for reciprocable piston engines A camshaft with cams and bearings for reciprocable piston engines including a hollow shaft having the cams and bearings designed as cam rings and bearing rings and fastened to the hollow shaft.... | 05/10/1983 |
| 4380216 | Economical engine construction An improved engine construction is disclosed having a valve train including valves and corresponding valve stems for controlling the intake and exhaust ports, cams for imparting reciprocating motion to the valves by way of the valve train, and a valve spr... | 04/19/1983 |
| 4335686 | Valve control and pump-actuating means of internal combustion engine with fuel injection An inlet valve, an outlet valve and a pump cam are formed on a camshaft. The pump cam is disposed between and axially spaced from the inlet and outlet valve cams. An inlet valve tappet and an outlet valve tappet have end faces engaging said inlet and outl... | 06/22/1982 |
| 4327676 | Method and apparatus for a low emission diesel engine An improved method and apparatus four operating a high-speed four cycle compression ignition engine cause the amount of NOx in the exhaust gases to be reduced substantially. The improved method of operating the high-speed for cycle compression ... | 05/04/1982 |
| 4291652 | Hydraulic tappet A hydraulic tappet includes a tubular cylinder sideable within a bore of a housing, a piston with a reservoir slideably mounted within the tubular cylinder, a lower piston spring biased away from the piston with the reservoir forming a pressure chamber th... | 09/29/1981 |
| 4280451 | High compression vacuum cycle engine An internal combustion engine is run at high compression ratios by always starting the compression of the charge at sub-atmospheric pressure, thus allowing high compression ratios without excessive pressure at the end of the compression stroke. Higher com... | 07/28/1981 |
| 4265388 | Process for manufacture of assembled cam shaft Process for manufacturing cam shaft characterized in that axial grooves are cut on a cam shaft, while projections with a profile matching the axial grooves and slightly larger than the axial grooves are provided on the fitting surface of pieces to be asse... | 05/05/1981 |
| 4253434 | Variable valve event engine A variable valve event engine has a plurality of cams with different cam profiles and can vary the operating characteristics of the valve by moving a rocker arm for selectively changing the cams in accordance with changes in the operating conditions of th... | 03/03/1981 |
| 4211192 | Camshaft for an internal combustion engine The camshaft is constructed in portions each of which has an integral flange at one end and a releaseably secured discoid member at the other end. The flange of one shaft portion is secured to the discoid member of an adjacent shaft portion by means of sc... | 07/08/1980 |
| 4205634 | Variable valve timing mechanism Mechanism for varying the timing of the valves of an internal combustion engine to obtain optimum efficiency and performance of the engine throughout a substantial portion of its operating speed range, wherein cam means for at least each intake valve is m... | 06/03/1980 |
| 4152953 | Roller cam follower with anti-rotation device A roller type cam follower carries a floating guide plate having an end thereof extending below the roller to be slidably received in a slotted groove provided in the cam on which the roller rides whereby to prevent rotation of the cam follower.... | 05/08/1979 |
| 4084568 | Decompression-type internal-combustion engine and method of improving the characteristics of such engine Improved decompression-type, four-cycle internal-combustion engine which has the conventional compression chamber, reciprocable piston, and intake valve therein; comprising, in accordance with the invention, means for delaying the closing time of the valv... | 04/18/1978 |
| 4075990 | Diesel engines This invention relates to supercharged four-stroke Diesel engines. The operating conditions of a supercharged four-stroke Diesel engine are improved, especially at starting and during low-load running, by keeping the exhaust valves open, both at starting and d... | 02/28/1978 |
| 4072448 | Built-up mainshaft for multi-unit rotary mechanisms and method of manufacture thereof The built-up mainshaft has a plurality of eccentric elements secured to an elongated shaft element in end-to-end angular off-set relationship to each other. Each of the eccentric elements has integral cylindrical body and axially extending sleeve-like por... | 02/07/1978 |
| 3981281 | Cam for controlling valves of an internal combustion engine A cam for controlling the valve of an internal combustion engine which controls the valve by means of a valve tappet having a flat bottom, against the thrust of a closing spring. The acceleration and the deceleration regions are divided into a total of fi... | 09/21/1976 |
| 3976039 | Internal combustion engine with stratified charge A piston type internal combustion engine operating on the stratified charge principle with the object of nonpolluting combustion wherein the engine has a standard valve-charging with a rich mixture. After admission of the rich mixture a quantity of air is... | 08/24/1976 |
