Patents
Patents for F02D 13 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing (11,427)
08/1983
08/02/1983US4395884 Method and apparatus for improved engine braking and operation
07/1983
07/19/1983US4393832 Braking diesel engines
07/12/1983US4392459 Four stroke thermal engine capable of temporary boost
07/06/1983EP0083058A1 Retarding system of a gas compression relief type
07/05/1983US4391234 Internal combustion engine comprising means for controlling the axial extent of a port in a cylinder
06/1983
06/21/1983US4388894 Two stroke engine having exhaust timing control valve means
06/14/1983US4387680 Mechanism for stopping valve operation
06/07/1983US4386590 Multi-cylinder internal combustion engine having selective cylinder control
05/1983
05/16/1983EP0069749A4 Variable lift cam follower.
05/10/1983US4382428 Contoured finger follower variable valve timing mechanism
04/1983
04/05/1983US4378765 Braking device for a valve controlled internal combustion engine
03/1983
03/17/1983WO1983000901A1 Method of controlling the combustion cycle in a combustion engine, and a combustion engine
01/1983
01/19/1983EP0069868A2 Camshaft control apparatus
01/19/1983EP0069749A1 Variable lift cam follower.
01/18/1983US4368703 Two stroke engine having exhaust timing control valve means
12/1982
12/21/1982US4364346 Exhaust timing control device for a two-cycle engine
11/1982
11/02/1982US4356799 Spring retainer-valve selector
11/02/1982CA1134687A1 Multi-cylinder internal combustion engine having siamesed exhaust ports
10/1982
10/27/1982EP0063305A1 Mixture-compressing, positive ignition internal-combustion engine with a lift-controllable inlet valve
10/26/1982US4355605 Motor brake control method
10/19/1982US4354463 Device for improving combustion efficiency of mixture in four cycle internal combustion engine
10/19/1982US4354460 Variable valve event engine
10/19/1982US4354459 Non-throttling control apparatus for spark ignition internal combustion engines
10/05/1982US4352344 Valve operating mechanism for internal combustion engines
09/1982
09/28/1982EP0052109A4 An internal combustion engine.
09/14/1982CA1131452A1 Engine braking system and method of braking
08/1982
08/25/1982EP0058619A1 Four-stroke combustion engine adapted for delivering temporary overpower
08/24/1982US4345550 Deflecting rocker arm for an internal combustion engine
08/19/1982WO1982002742A1 Engine camshaft for variably controlling valve operation
08/05/1982WO1982002574A1 Variable lift cam follower
07/1982
07/27/1982US4341188 Two-cycle internal combustion engine including means for varying cylinder port timing
07/06/1982US4337734 Two-cycle engine
06/1982
06/08/1982US4333431 Water-cooled two stroke engine having exhaust port timing control valve means
06/08/1982US4333428 Internal combustion engine
05/1982
05/26/1982EP0052554A1 Variable distribution device for an internal-combustion engine
05/26/1982EP0052109A1 An internal combustion engine.
05/19/1982EP0051701A1 Engine braking apparatus
04/1982
04/20/1982US4325335 Two stroke engine having exhaust timing control valve means
04/20/1982CA1122086A1 Variable valve timing system for induction control of an internal combustion engine
03/1982
03/30/1982US4321893 Two-stroke engine having variable exhaust port timing
02/1982
02/23/1982US4316437 Acceleration controlling device for an automobile vehicle
01/1982
01/19/1982CA1116487A1 Internal combustion engine intake system having jet-producing nozzle in intake port
12/1981
12/15/1981US4305358 Internal combustion engine
12/15/1981US4305353 Motor brake control system for controlling motor runaway
12/15/1981US4305352 Internal combustion engine
12/15/1981US4305349 Internal combustion engine
11/1981
11/18/1981EP0040121A1 Valve rocker disconnector
11/12/1981WO1981003203A1 Deflecting rocker arm for an internal combustion engine
10/1981
10/14/1981EP0037443A1 Cylinder deactivator system
09/1981
09/02/1981EP0034681A1 Engine braking apparatus
09/01/1981US4286561 Internal combustion engine intake system having jet-producing nozzle in intake port
08/1981
08/25/1981US4285311 Two stroke engine having exhaust port timing control valve
08/25/1981US4285310 Dual intake valve type internal combustion engine
08/18/1981US4284042 Multicylinder internal combustion engine with valve disconnection
08/12/1981EP0033372A1 Braking gear for valve controlled internal combustion engines
05/1981
05/06/1981EP0027949A1 Variable lift valve distribution for internal-combustion engines with lift valves and camshaft
04/1981
04/22/1981EP0027248A1 Apparatus for controlling braking of diesel engines
04/21/1981US4262640 Spring retainer-valve selector
04/16/1981WO1981001030A1 Improvements in braking diesel engines
04/08/1981EP0026249A1 Cylinder de-activator system
04/07/1981US4259931 Valve selector module assembly
03/1981
03/31/1981US4258671 Variable valve lift mechanism used in an internal combustion engine
03/31/1981CA1098395A1 Speed and clutch control for engines including shift interlock
03/11/1981EP0024994A1 Process and device for improving the performance of an internal-combustion engine by selectively varying the compression ratio according to engine load
03/03/1981US4253434 Variable valve event engine
01/1981
01/20/1981US4245596 Shifting means for actuating valve turn-off in multi-cylinder internal combustion engine
11/1980
11/11/1980US4232641 Method and device for improving the efficiency of internal combustion engines
10/1980
10/28/1980US4230076 Control for valve disablers
10/14/1980US4227494 Valve disabler and control
10/07/1980US4226216 Method of quick pneumatic braking of a diesel engine
09/1980
09/23/1980US4223649 Motor brake control system
09/17/1980EP0015791A1 Method and device for improving the efficiency of an internal-combustion engine, in particular a supercharged one
09/16/1980US4222354 Valve disabler
09/09/1980US4221201 Control means for valve disabler
09/09/1980US4221199 Plural lash engine valve gear and device for selecting same
09/09/1980US4221197 Multi-cylinder internal combustion engine having siamesed exhaust ports
08/1980
08/26/1980CA1084370A1 Valve deactuator for internal combustion engines
07/1980
07/22/1980US4213442 Valve selector for shaft-mounted rockers
07/08/1980US4211083 Method for driving a vehicle driven by an internal combustion engine
07/01/1980US4210104 Internal combustion engine
06/1980
06/03/1980CA1078687A1 Multi-cylinder internal combustion engine having selective cylinder control
05/1980
05/27/1980US4204512 Cylinder deactivator system
05/20/1980CA1077857A1 Internal combustion engine with exhaust cleaning measures
05/13/1980US4202297 Two-stroke engine having variable exhaust port timing
03/1980
03/25/1980US4194609 Speed and clutch control for engines including shift interlock
03/11/1980CA1073293A1 Engine de-compression mechanism
02/1980
02/19/1980US4188933 Apparatus for controlling operation of inlet and exhaust valves and supply of fuel to selected cylinders of all of multi-cylinder I. C. engine
02/05/1980CA1071046A1 Variable valve timing system for internal combustion engine
01/1980
01/08/1980US4182289 Variable valve timing system for internal combustion engine
11/1979
11/27/1979US4175534 Valve deactivator for internal combustion engines
11/27/1979US4175522 Exhaust gas recirculation device for internal combustion engine with auxiliary combustion chamber
11/20/1979US4174687 Braking device for four-stroke cycle reciprocating piston internal combustion engine
11/20/1979US4174683 High efficiency variable expansion ratio engine
11/06/1979US4173209 Engine control system and valve deactivator thereof
10/1979
10/02/1979US4169449 Cylinder de-activator system
09/1979
09/18/1979US4167931 Apparatus to control fuel supply to a multicylinder internal combustion engine by disabling one or more engine cylinders in certain engine operating conditions
07/1979
07/24/1979CA1058992A1 Fuel saving apparatus for multiple cylinder internal combustion engines
07/17/1979US4161166 Device for selectively controlling the number of operative cylinders in multi-cylinder internal combustion engines
06/1979
06/19/1979US4158348 System for retarding engine speed
05/1979
05/29/1979US4156414 Exhaust gas purifying device for internal combustion engine with auxiliary combustion chamber