Patents
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
06/1983
06/14/1983US4387673 Valve opening control device
06/07/1983US4386590 Multi-cylinder internal combustion engine having selective cylinder control
05/1983
05/24/1983US4384558 Engine compression brake employing automatic lash adjustment
05/16/1983EP0069749A4 Variable lift cam follower.
05/10/1983US4382428 Contoured finger follower variable valve timing mechanism
05/10/1983CA1146031A1 Compression relief retarders for supercharged internal combustion engines
04/1983
04/28/1983WO1983001484A1 Method and apparatus for controlling the valve operation of an internal combustion engine
04/28/1983WO1983001483A1 Variable valve operating mechanism for internal combustion engines
04/19/1983US4380219 Valve disabling mechanism
04/05/1983US4378765 Braking device for a valve controlled internal combustion engine
03/1983
03/29/1983CA1143617A1 Hydraulic valve lifter and fluid pressure control device therefor
03/17/1983WO1983000901A1 Method of controlling the combustion cycle in a combustion engine, and a combustion engine
02/1983
02/23/1983EP0016068B1 Internal combustion engine and valve control means therefor
02/01/1983US4370954 Apparatus for starting internal combustion engine
01/1983
01/25/1983US4369741 Device for automatically controlling the closure of the decompression valve of an internal combustion engine
01/19/1983EP0069868A2 Camshaft control apparatus
01/19/1983EP0069749A1 Variable lift cam follower.
01/04/1983CA1138734A1 Compression release mechanism
12/1982
12/22/1982EP0067311A1 Variable valve timing arrangement for an internal combustion engine or the like
12/21/1982US4364341 Valve control device for an internal combustion engine
12/14/1982US4363301 Braking device for a four-cycle engine of a vehicle
11/1982
11/02/1982US4356799 Spring retainer-valve selector
10/1982
10/27/1982EP0063305A1 Mixture-compressing, positive ignition internal-combustion engine with a lift-controllable inlet valve
10/19/1982US4354460 Variable valve event engine
10/12/1982US4353334 Method of and apparatus for starting an air-compressing four-stroke cycle internal combustion engine
10/12/1982CA1133342A1 Engine cylinder cutout system and control therefor
10/05/1982US4352344 Valve operating mechanism for internal combustion engines
09/1982
09/21/1982US4350129 With two spark plugs in each combustion chamber
08/1982
08/19/1982WO1982002742A1 Engine camshaft for variably controlling valve operation
08/05/1982WO1982002574A1 Variable lift cam follower
07/1982
07/20/1982US4340017 Starting decompression device for a four cycle engine
07/13/1982US4338893 Decompression device
07/06/1982US4337739 Valve control mechanism for internal combustion engines
07/06/1982US4337738 Valve control mechanism
06/1982
06/29/1982US4336775 Valve selector
06/08/1982US4333430 Engine brake
05/1982
05/26/1982EP0052554A1 Variable distribution device for an internal-combustion engine
05/19/1982EP0051701A1 Engine braking apparatus
04/1982
04/20/1982CA1122086A1 Variable valve timing system for induction control of an internal combustion engine
04/13/1982US4324210 Hydraulic valve lifter and fluid pressure control device therefor
03/1982
03/31/1982EP0048321A2 Multi-cylinder piston engine with controlled valves
02/1982
02/23/1982US4316437 Acceleration controlling device for an automobile vehicle
12/1981
12/15/1981US4305356 Valve selector assembly
12/08/1981CA1113810A1 Compression reducing system for an internal combustion engine
12/08/1981CA1113809A1 Hydraulic valve lifter mechanism for internal combustion engine
11/1981
11/18/1981EP0040121A1 Valve rocker disconnector
10/1981
10/27/1981US4296911 Hydraulic controlled sonic induction system
10/27/1981US4296605 Compression relief retarders for supercharged internal combustion engines
10/14/1981EP0037443A1 Cylinder deactivator system
10/07/1981EP0037269A1 Engine cylinder cutout system
09/1981
09/02/1981EP0034681A1 Engine braking apparatus
08/1981
08/26/1981EP0034209A1 Braking device for the four-stroke engine of a vehicle
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
07/1981
07/15/1981EP0032056A1 Variable valve timing mechanism for an internal-combustion engine
07/01/1981EP0031261A1 Device for automatically controlling the closing of a decompression valve of an internal-combustion engine
06/1981
06/09/1981US4271796 Pressure relief system for engine brake
06/09/1981CA1102643A1 Hydraulic valve lifter
06/09/1981CA1102642A1 Variable valve timing mechanism
05/1981
05/19/1981CA1101338A1 Throttling passageway to decrease coast-down time of lawn mower engines
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
04/22/1981EP0027123A1 Combustion piston engine provided with power control means.
04/21/1981US4262640 Spring retainer-valve selector
04/16/1981WO1981001030A1 Improvements in braking diesel engines
04/14/1981US4261307 Variable valve timing control for internal combustion engines
04/08/1981EP0026249A1 Cylinder de-activator system
04/07/1981US4259931 Valve selector module assembly
03/1981
03/31/1981US4258672 Variable lift camming apparatus and methods of constructing and utilizing same
03/31/1981US4258671 Variable valve lift mechanism used in an internal combustion engine
03/17/1981US4256070 Valve disabler with improved actuator
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
03/11/1981EP0024871A2 Compression release mechanism
03/03/1981US4253434 Variable valve event engine
02/1981
02/24/1981US4252093 Internal combustion engine
02/24/1981US4252092 Compression release mechanism
02/10/1981US4249488 Valve lift adjusting device
02/03/1981US4248198 Multi-cylinder diesel engine
02/03/1981US4248045 Means for selectively transmitting drive
10/1980
10/30/1980WO1980002309A1 Combustion engine using several kinds of fuels and having electronically adjustable intake and exhaust valves and injection device
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
10/01/1980EP0016068A1 Internal combustion engine and valve control means therefor.
09/1980
09/16/1980US4222354 Valve disabler
09/09/1980US4221201 Control means for valve disabler
09/09/1980US4221200 Control for valve disablers
09/09/1980US4221199 Plural lash engine valve gear and device for selecting same
09/02/1980US4220122 Hydraulic valve lifter
08/1980
08/26/1980US4218995 Hydraulic valve lifter mechanism for internal combustion engine
08/26/1980CA1084370A1 Valve deactuator for internal combustion engines
08/19/1980US4217796 Compression reducing system for an internal combustion engine
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
06/1980
06/23/1980EP0016068A4 Internal combustion engine and valve control means therefor.
06/03/1980US4205634 Variable valve timing mechanism
06/03/1980CA1078687A1 Multi-cylinder internal combustion engine having selective cylinder control
05/1980
05/27/1980US4204512 Cylinder deactivator system
05/20/1980US4203397 Engine valve control mechanism
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