Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
12/1999
12/16/1999WO1999064729A1 Valve timing system for an internal combustion engine
12/16/1999DE19922600A1 Brennkraftmaschine mit variabler Nockenwellen-Synchronisation und mit einer Auslaßphase variabler Dauer Internal combustion engine with variable valve synchronization and exhaust phase with a variable duration
12/16/1999DE19825964A1 Valve drive for internal combustion engine
12/15/1999EP0963508A1 Adjustment mechanism for valves
12/14/1999US6000374 Multi-cycle, engine braking with positive power valve actuation control system and process for using the same
12/14/1999US6000370 Compression release mechanism for an internal combustion engine
12/14/1999US6000368 Three-dimensional camshaft and its manufacturing method
12/09/1999DE19825308A1 Variabler Ventiltrieb für eine Brennkraftmaschine Variable valve train for an internal combustion engine
12/09/1999DE19825307A1 Ventilsteuerung für eine Brennkraftmaschine Valve control for an internal combustion engine
12/08/1999EP0962629A2 Variable valve drive for internal combustion engine
12/08/1999EP0961870A1 Multi-cylinder diesel engine with variable valve actuation
12/07/1999US5996550 Applied lost motion for optimization of fixed timed engine brake system
12/07/1999US5996540 Variable valve timing and lift system
12/02/1999WO1999051859A3 Bar engine brake
12/01/1999EP0961018A1 Exhaust gas recirculation device
11/1999
11/30/1999US5992390 Fuel efficient hybrid internal combustion engine
11/30/1999US5992367 Compression release for multi-cylinder engines
11/30/1999US5992362 Variable lift and timing system for valves
11/30/1999US5992361 Variable valve timing mechanism
11/30/1999US5992360 Valve drive for gas exchange valves of internal combustion engines
11/30/1999CA2047219C A method and a device for engine braking a four stroke internal combustion engine
11/25/1999DE19922740A1 System zum Steuern des Motorbremsmoments im Schubbetrieb A system for controlling the engine braking torque in the overrun mode
11/23/1999US5988128 Valve driving apparatus for engine
11/23/1999US5988127 Valve lifter structure
11/17/1999EP0957239A1 Arrangement for the control of a device varying the lift of a valve of an internal combustion engine for the circulation of the inlet or outlet gas
11/17/1999EP0675265B1 Valve driving system for internal combustion engine
11/11/1999WO1999057422A1 Variable timing poppet valve apparatus
11/11/1999DE4143581C2 Decompression IC engine brace for multicylinder engine
11/11/1999DE19918398A1 Device for activating the variable distribution valves of IC engine
11/10/1999EP0955458A1 Cylinder number-controlled internal combustion engine
11/10/1999EP0954683A1 Compression release for multi-cylinder engines
11/09/1999US5979378 Diagnosis apparatus for diagnosing variable valve timing mechanism
11/04/1999WO1999056008A1 Support element for a cam follower of a valve gear of an internal combustion engine
11/04/1999DE19819068A1 Abstützelement für einen Schlepphebel eines Ventiltriebs einer Brennkraftmaschine Supporting a finger lever of a valve train of an internal combustion engine
11/03/1999EP0953745A1 Controlled self-ignition combustion process and associated 4 stroke combustion engine with transfer conduit between cylinders and valve for it
11/03/1999EP0759119B1 Valve control mechanism
11/03/1999CN1046153C Variable control process and device for internal combustion engine valve
11/02/1999US5975251 Rocker brake assembly with hydraulic lock
11/02/1999US5975060 Dedicated overhead cam shaft for unit injector
11/02/1999US5975036 Variable valve actuation apparatus
10/1999
10/27/1999EP0817904B1 Camless engines with compression release braking
10/27/1999EP0771390B1 Compression braking system
10/21/1999WO1999053175A1 Variable valve lift and timing camshaft support mechanism for internal combustion engines
10/21/1999DE19816773A1 Valve control device for internal combustion engine
10/20/1999CN1232525A Tappet for valve gear mechanism of IC engine
10/19/1999US5967125 Air/fuel ratio control device for internal combustion engine
10/19/1999US5967115 Electronic controls for compression release engine brakes
10/19/1999CA2129815C Control system/method for engine brake assisted shifting
10/14/1999WO1999051864A2 Hydraulic lash adjuster with compression release brake
10/14/1999WO1999051859A2 Bar engine brake
10/14/1999DE19814800A1 Variable Ventilsteuerung für eine Hubkolben-Brennkraftmaschine Variable valve control for reciprocating-piston internal combustion engine
10/13/1999EP0686230B1 Cam lobe with offset angular movement
10/12/1999US5964191 Reverse rotation control system for two-cycle engine of motor vehicle
10/07/1999WO1999050108A1 Rocker brake assembly with hydraulic lock
10/07/1999WO1999027242A9 Device to limit valve seating velocities in limited lost motion tappets
10/07/1999DE19825411C1 Reversible reciprocating internal combustion engine, e.g. for motor vehicles esp. in reverse gear
10/06/1999EP0947672A2 Variable valve control for an internal combustion engine
10/05/1999US5960755 Internal combustion engine with variable camshaft timing and variable duration exhaust event
10/05/1999US5960754 Valve operating system in internal combustion engine
09/1999
09/30/1999WO1999049193A1 Variable displacement diesel engine
09/30/1999DE19832383A1 Valve-controlled multi-bank engine
09/29/1999EP0945606A2 Turbocharged gas-combustion engine equipped with motor generator
09/28/1999US5957101 Automatic compression release mechanism for an internal combustion engine
09/28/1999US5957097 Internal combustion engine with automatic compression release
09/23/1999WO1999047794A1 Selective disabling of cam operated devices
09/23/1999DE19811502A1 Valve drive with variable valve lift for IC engine
09/21/1999US5954018 Mode selective internal combustion engine
09/15/1999EP0942153A2 Variable valve performance apparatus for engine
09/14/1999US5950583 Valve gear of an internal-combustion engine
09/07/1999US5947069 Roller type mechanical tappet
09/02/1999WO1999027242A3 Device to limit valve seating velocities in limited lost motion tappets
08/1999
08/31/1999US5943992 Decompression mechanism in engine
08/26/1999WO1999027243A9 Integrated lost motion system for retarding and egr
08/25/1999EP0937865A1 Variable valve timing apparatus
08/19/1999DE19806675A1 Device for variable control of valves of reciprocating piston internal combustion engine
08/17/1999US5937811 Variable valve system
08/17/1999US5937809 Variable valve timing mechanisms
08/17/1999US5937807 Early exhaust valve opening control system and method
08/12/1999DE19903594A1 Adjustable valve control device for controlling valve timing in internal combustion (IC) engine
08/12/1999DE19804952A1 Disconnection control gear for an internal combustion engine valve
08/12/1999DE19804943A1 IC engine, especially four stroke engine
08/12/1999DE19804942A1 IC engine, especially four stroke engine
08/11/1999EP0596127B1 Automobile engine
08/10/1999US5934232 Engine valve lift mechanism
08/05/1999WO1999039092A1 Self-clipping slave piston device with lash adjustment for a compression release engine retarder
08/05/1999WO1999023378A8 Lost motion valve actuation system
08/05/1999WO1999023363A8 Lost motion full authority valve actuation system
08/05/1999DE19903622A1 Variable valve control arrangement for internal combustion engine
08/05/1999DE19804323A1 Motor vehicle gas change valve tappet switching
08/05/1999DE19803303A1 Motor vehicle cylinder valve variation
08/03/1999US5931128 Variable valve mechanism and internal combustion engine with the same
08/03/1999US5931127 Variable valve timing mechanism for an internal combustion engine
08/03/1999US5931125 Piston internal combustion engine variable action valve lifter system
08/03/1999US5931124 Valve timing for internal-combustion engines
07/1999
07/29/1999WO1999037894A1 Device for interrupting the power flux between at least one valve and at least one cam of a camshaft
07/29/1999WO1999037893A1 Variable valve apparatus
07/29/1999DE19802738A1 Variable control device for valve of internal combustion engine
07/29/1999CA2319171A1 Variable valve apparatus
07/27/1999US5927238 Valve timing for four stroke internal combustion engines
07/22/1999WO1999036678A1 Cam follower which is part of an internal combustion engine valve gear, and which can engage at varying strokes for at least one gas shuttle valve
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