| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 05/28/1997 | EP0775251A1 Exhaust valve mechanism in an internal combustion engine |
| 05/28/1997 | EP0775027A1 Method of manufacturing a hollow spindle |
| 05/28/1997 | DE19548718C1 Cylinder liner for motor vehicle IC-engine |
| 05/28/1997 | DE19543659A1 Tappet for valve drive of internal combustion engine |
| 05/28/1997 | DE19543657A1 Trailing or tilting lever e.g. for internal combustion engine valve gear |
| 05/28/1997 | CN1150833A Sliding part and method for manufacturing the same |
| 05/28/1997 | CN1150618A Air valve control system |
| 05/27/1997 | US5632237 Hydraulic lash compensating element assembly |
| 05/22/1997 | DE19542697A1 Tappet for valve drive of internal combustion engine |
| 05/21/1997 | EP0719379A4 Variable valve lift mechanism for internal combustion engine |
| 05/21/1997 | CN1034966C 摇臂组件 Rocker arm assembly |
| 05/21/1997 | CN1034965C 摇臂组装件 Rocker arm assembly |
| 05/15/1997 | WO1997017529A1 Catch for a piston of a camshaft adjuster |
| 05/15/1997 | WO1997017528A1 Device for changing the opening and closing times of the gas-exchange valves in an internal-combustion engine |
| 05/15/1997 | DE19646065A1 Gas exchange valve timing device for internal combustion engine |
| 05/15/1997 | DE19640943A1 Timing adjustment for camshaft |
| 05/15/1997 | DE19541790A1 Belt drive for in IC engines |
| 05/15/1997 | DE19541769A1 Arretierung für einen Kolben einer Nockenwellenverstellung Locking device for a piston of a camshaft adjustment |
| 05/14/1997 | EP0773352A1 Mechanical actuator with reciprocating motor |
| 05/13/1997 | US5628286 Valve timing control apparatus for engine |
| 05/09/1997 | WO1997016630A1 Rocker lever assembly for internal combustion engine |
| 05/07/1997 | EP0771937A1 Valve actuation assembly |
| 05/06/1997 | US5627464 Rotation angle detecting device for a camshaft provided in an internal combustion engine |
| 05/06/1997 | US5626116 Dedicated rocker lever and cam assembly for a compression braking system |
| 05/06/1997 | US5626110 Valve train for internal combustion engine |
| 05/06/1997 | US5626109 Valve timing control apparatus for engine |
| 05/06/1997 | US5626108 Abnormality detecting apparatus for internal combustion engine |
| 05/02/1997 | EP0770764A1 Hydraulic weldless tappet provided with a siphon device |
| 05/02/1997 | EP0770763A1 Hydraulic roller tappet |
| 05/02/1997 | EP0770762A1 Mechanical roller tappet |
| 04/30/1997 | DE19641798A1 Cam-controlled roller for swinging or tilting lever with lubricating-oil store |
| 04/30/1997 | DE19641791A1 Roller-drive mechanism for fuel-injection pump |
| 04/30/1997 | DE19619775A1 Cylinder head for multicylinder internal combustion engine |
| 04/30/1997 | DE19614825A1 Cylinder head for multicylinder internal combustion engine |
| 04/30/1997 | DE19540038A1 Tappet for valve operation of internal combustion engine |
| 04/30/1997 | DE19540028A1 Head-supporting portion for multi-cylinder engine |
| 04/30/1997 | DE19539842A1 Valve gear for internal combustion engine |
| 04/29/1997 | US5623904 Air-assisted fuel injection system |
| 04/29/1997 | US5623898 Variable duration hydraulic valve lifters |
| 04/29/1997 | US5623897 Engine valve control system using a latchable rocker arm activated by a solenoid mechanism |
| 04/29/1997 | US5623896 Valve timing control apparatus for engine |
| 04/24/1997 | WO1997014555A1 Diamond-like nanocomposite thin films for automotive powertrain component coatings |
| 04/24/1997 | DE19642742A1 Valve operating device for internal combustion engines |
| 04/24/1997 | DE19539183A1 Valve system for internal combustion engines |
| 04/24/1997 | DE19539146A1 Variable valve control for internal combustion engines |
| 04/23/1997 | EP0712462B1 Rocker assembly with interconnectable arms |
| 04/23/1997 | EP0663042B1 Four-stroke petrol engine with hybrid control |
| 04/22/1997 | US5622147 Hydraulic lash adjuster |
| 04/22/1997 | US5622146 Finger lever for actuating gas exchange valves |
| 04/22/1997 | US5622145 Cylinder valve operating apparatus |
| 04/22/1997 | US5622144 System for operating internal combustion engine |
| 04/22/1997 | US5622143 Multi-cylinder internal combustion engine |
| 04/17/1997 | WO1997013970A1 Reverse uniflow two-stroke turbocharged diesel engine |
| 04/17/1997 | DE19642059A1 Valve-operated device for engines |
| 04/17/1997 | DE19642007A1 Cylinder valve actuating system for internal combustion engines |
| 04/17/1997 | DE19537641A1 Point bearing tappet for IC-engine valve |
| 04/16/1997 | EP0768450A1 Improved valve rotation arrangement |
| 04/15/1997 | US5621644 Method for determining camshaft and crankshaft timing diagnostics |
| 04/15/1997 | US5619958 Engine valve control system using a latchable rocker arm |
| 04/15/1997 | US5619887 Camshaft tuned vibration damper |
| 04/15/1997 | CA2073649C Adjusting shim |
| 04/10/1997 | WO1997013081A1 Tensioning device for a control drive |
| 04/10/1997 | WO1997013063A1 Control device for an internal combustion engine |
| 04/10/1997 | DE19544412C1 Valve actuation, especially by camshaft, in internal combustion engine |
| 04/09/1997 | EP0767296A1 Engine valve control system using a latchable rocker arm |
| 04/09/1997 | EP0767295A1 Hydraulic valve |
| 04/09/1997 | EP0767293A1 Device for modifying the valve lift in internal combustion engines |
| 04/09/1997 | EP0767292A1 A rocker arm assembly for an internal combustion engine |
| 04/09/1997 | EP0767291A1 Light weight cam follower |
| 04/08/1997 | US5617835 Inlet valve for a combustion space of an internal combustion engine |
| 04/08/1997 | US5617821 4-cycle engine |
| 04/08/1997 | US5617818 Mounting arrangement for a camshaft and associated valve control elements of an internal combustion engine |
| 04/03/1997 | WO1997012132A1 Low profile internal combustion engine |
| 04/03/1997 | DE19638331A1 Cam arrangement for internal combustion engine |
| 04/03/1997 | DE19638330A1 Cam arrangement for internal combustion engine |
| 04/03/1997 | DE19638329A1 Cam e.g. for controlling inlet and outlet valves of internal combustion engine |
| 04/03/1997 | DE19536643A1 Spannvorrichtung für einen Steuertrieb Clamping device for a control drive |
| 04/03/1997 | DE19536090A1 Internal combustion engine with lever drive for simultaneous action on gas exchange valves |
| 04/03/1997 | CA2186174A1 Internal combustion engine |
| 04/02/1997 | EP0765432A1 Assembled camshaft |
| 04/02/1997 | EP0573674B1 Roller rocker arm and process for manufacturing the same |
| 04/02/1997 | CN2251047Y Spring push rod gas inlet and exhausting mechanism for IC engine |
| 04/02/1997 | CN1146789A Multiple cams |
| 04/01/1997 | US5615651 Valve gear device for internal combustion engines |
| 04/01/1997 | US5615648 For adjusting camshaft of an internal combustion engine |
| 04/01/1997 | US5615647 For an internal combustion engine |
| 04/01/1997 | US5615586 Cam device |
| 03/27/1997 | WO1997011267A1 Arrangement and method for exhaust gas feedback in a four-stroke combustion engine |
| 03/27/1997 | WO1997011260A1 Turbocharged internal combustion engine having improved intake valve control means |
| 03/27/1997 | DE19637174A1 Control valve for pressure of engine oil supplied to variable valve timing system |
| 03/27/1997 | DE19542024A1 Timing device for valve actuation in IC engine |
| 03/27/1997 | DE19535499A1 Automotive camshaft adjuster for internal combustion engine |
| 03/27/1997 | DE19535498A1 Valve tappet axle with fluid bores |
| 03/26/1997 | EP0764770A2 Internal combustion piston engine with at least one cylinder |
| 03/26/1997 | EP0764769A1 Combustion engine |
| 03/25/1997 | US5613469 For an internal combustion engine |
| 03/25/1997 | CA2086717C Control system for internal combustion engines |
| 03/20/1997 | WO1997007324A3 Internal combustion engine and process for operating the valve gear mechanism of an internal combustion engine |
| 03/19/1997 | EP0763165A1 Piston internal combustion engine variable action valve lifter system |
| 03/19/1997 | EP0663041B1 Valve-actuating mechanism |