...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6338326 | Process and apparatus for detecting exhaust-gas-impairing and catalyst-damaging misfires in the case of internal-combustion engines In a method and apparatus for detecting exhaust-gas-impairing and catalyst-damaging misfires in an internal-combustion engine, having a lambda probe arranged behind a catalyst, combustion misfires in at least one cylinder of the internal-combustion engine... | 01/15/2002 |
| 6332446 | Internal combustion engine having solenoid-operated valves and control method An internal combustion engine including solenoid-operated intake and exhaust valves is operable in a partial operating mode with at least one cylinder being deactivated, without suffering from vibration of the engine. Where particular cylinders are deacti... | 12/25/2001 |
| 6332445 | Method for operating and valve drive for a multicylinder internal combustion engine An engine is operated with two groups of cylinders, one of which groups is constantly powered and a second of said groups is selectively operated by cutting it in and out. The second group of cylinders is cut in and out by switching the valve lift of the ... | 12/25/2001 |
| 6325030 | Roller finger follower for valve deactivation A roller finger follower includes an elongate body having a first side and a second side. A first end and a second end interconnect and space apart the first and second sides. The first and second sides define a first and second pin orifice, respectively.... | 12/04/2001 |
| 6321704 | Hydraulically actuated latching valve deactivation The invention is a valve deactivator assembly (15) for use in connection with a valve train of an internal combustion engine. In application, a pre-selected number of the engine cylinders would each be equipped with a deactivator connected to its intake e... | 11/27/2001 |
| 6321705 | Roller finger follower for valve deactivation A deactivation roller finger follower for use with an internal combustion engine includes an elongate body. The body has a valve pallet end and a socket. The pallet end is configured for engaging a valve stem of the internal combustion engine. The socket ... | 11/27/2001 |
| 6318316 | Multi-cylinder engine for motorcycle To provide a multi-cylinder engine for a motorcycle, in which at least one of a plurality of engine valves provided in a cylinder head for each of combustion chambers corresponding to a plurality of cylinder bores arranged in the width direction of a body... | 11/20/2001 |
| 6318318 | Rocker arm assembly A rocker arm assembly 207 is provided which has an extendable plunger 212. The plunger 212 has a spring 136 biased first position contacting with a lost motion arm 44. In the first position, the plunger 212 prevents angular movement of the lost motion arm... | 11/20/2001 |
| 6318317 | Device for interrupting the power flow between at least one valve and at least one cam of camshaft The invention relates to a device for interrupting the power flow between at least one valve and at least one cam of a camshaft, especially in a valve mechanism of a reciprocating internal combustion engine. The device comprises a first actuating lever co... | 11/20/2001 |
| 6314928 | Rocker arm assembly The lost motion arm 44 has first and second contact surfaces 102 and 104. A latch mechanism is connected on the body with an extendable plunger 120 having a first contact surface 124 and a second contact surface 126. The plunger 120 has a first position f... | 11/13/2001 |
| 6314927 | Support element for a finger lever of a valve gear of an internal combustion engine A support element for a cam follower of a valve gear of an internal combustion engine configured so that it can be switched which allows the pressure piston to complete a movement in relation to the housing whereby the support element is switched off.... | 11/13/2001 |
| 6305344 | Method and apparatus for controlling fuel to an engine during coolant failure A method of cooling an internal combustion engine having a first group of fuel injectors supplying fuel to a first group of injectors and a second group of fuel injectors supplying fuel to a second group of cylinders, the method including the steps of mea... | 10/23/2001 |
| 6302070 | Valve system for engine A valve system for an engine including a valve resting mechanism provided between an engine valve and a valve lifter supported by a cylinder head. The valve resting mechanism can place the engine valve into a resting state. The valve resting mechanism has... | 10/16/2001 |
| 6293239 | Valve gear for gas exchange valves of internal combustion engines A valve gear for charge cycle valves of internal combustion engines has a camshaft whose cam acts on a valve stem of a charge cycle valve via a bucket tappet which is guided in a cylinder head and on which an inner tappet is supported via a first pressure... | 09/25/2001 |
| 6293237 | Variable lost motion valve actuator and method A lost motion engine valve actuation system and method of actuating an engine valve are disclosed. The system may comprise a valve train element, pivoting bridge, an adjustable tappet, and a valve stem. The pivoting bridge may include a first end for cont... | 09/25/2001 |
| 6276138 | Engine with direct turbo compounding A multi-cylinder Otto cycle internal combustion direct compound engine for motor vehicles with an exhaust-gas turbocharger providing direct turbo compounding upon the engine control module receiving a speed signal indicating that the vehicle is traveling ... | 08/21/2001 |
| 6273039 | Valve deactivating roller following A valve deactivator assembly (49a) for an internal combustion engine of the type having valve means (29), drive means (13) for providing cyclical motion for opening and closing the valve means (29) in timed relationship to the events in a combustion chamb... | 08/14/2001 |
| 6273041 | Cam follower in a valve train of an internal combustion engine switchable between different lifts for at least one gas-exchange valve A cam follower (1) designed to be switchable between different lifts for at least one gas-exchange valve and includes two adjacent sections (2,4) which can be coupled together via a coupling element (15). The coupling element (15) cooperates with a shutof... | 08/14/2001 |
| 6273053 | Engine shutdown valves The shutdown valve design is comprised of a housing in which a gate slides from an open to a closed position in a guillotine type motion. At one end of the housing is an unobstructed bore, which is the air through flow passage, and which has a longitudina... | 08/14/2001 |
| 6260525 | Engine valve disabler A method for improving efficiency and reducing emissions of an internal combustion engine. Variable displacement engine capabilities are achieved by disabling engine valves during load changes and constant load operations. Active cylinders may be operated... | 07/17/2001 |
| 6257194 | Method to manage internal combustion engine shutdown A shutdown method for an internal combustion engine having deactivatable intake and exhaust valves is disclosed in which unburned fuel existing within the engine at the time of shutdown is managed to prevent its release into the atmosphere.... | 07/10/2001 |
| 6257185 | Switchable cam follower A switchable cam follower (1) for a valve train of an internal combustion engine, which valve train can be actuated indirectly by tappet push rods, the cam follower comprises an outer and an inner section (4,5) end for switching-off the cam follower (1) f... | 07/10/2001 |
| 6244258 | EGR controller for cylinder cut-off engine The EGR controller 1 controls the EGR actions wherein exhaust gas from the cylinder cut-off engine 3 which can change over the running condition between the all-cylinder run and the cut-off-cylinder is recirculated to the induction. The EGR controller 1 c... | 06/12/2001 |
| 6237559 | Cylinder deactivation via exhaust valve deactivation and intake cam retard An arrangement of a four-cycle internal combustion engine is provided. The engine arrangement 8 has at least a first combustion chamber 12 with a reciprocating piston 15 mounted therein. The first combustion chamber or chambers have a cam-driven intake an... | 05/29/2001 |
| 6227154 | Valvegear for engines of reciprocating piston type A valvegear for an engine of reciprocating piston type is disclosed. The valve gear includes a cam, a camshaft and a cam piston, where the cam is mounted to rotate on the camshaft and is in contact with the cam piston. The cam piston is movably arranged w... | 05/08/2001 |
| 6220212 | Automotive valve rocker arms An automotive valve rocker arm comprises a valve engagement portion and a cam engagement portion which are mounted for independent rocking movement about a rocker shaft. One of the cam engagement portion and valve engagement portion affords a first bush, ... | 04/24/2001 |
| 6220213 | Rocker arm installed in a cylinder head of a valve train of an internal combustion engine A rocker arm (6) that can be uncoupled from the cam lift, the axle (11) of this rocker arm (6) is guided for longitudinal movement in a slot (12) of a pedestal (13), and the rocker arm (6) can be coupled to the pedestal (13) by locking elements (20, 21, 2... | 04/24/2001 |
| 6196175 | Hydraulically actuated valve deactivating roller follower A valve deactivator assembly (47) especially for use with a push rod (23) type of valve gear train, the deactivator assembly (47) preferably comprising a roller follower, engaging the engine cam (19). The deactivator includes an outer body (53), driven by... | 03/06/2001 |
| 6196176 | Switchable cam follower A switchable cam follower (1) for a valve train of an internal combustion engine, which valve train is actuated by tappet push rods, the cam follower (1) comprises an outer section (4) and an inner section (5) which are adapted to be switched off through ... | 03/06/2001 |
| 6164255 | Switchable cam follower A switchable cam follower (1) for a valve train (1b) of an internal combustion engine (1c) which is indirectly actuatable via tappet push rods (1a), the cam follower (1) comprising an outer section (2) which encloses an inner section (4) that is axially m... | 12/26/2000 |
| 6158218 | Superchargeable internal combustion engine with cylinder cut-off A superchargeable internal combustion engine with cylinder cut-off has a first cylinder group which operates over the entire operating range of the internal combustion engine. A second cylinder group is cut off or connected up as a function of demand. The... | 12/12/2000 |
| 6138635 | Modular engine having crankshaft segments connected by a spring to provide even firing An internal combustion engine includes three engine modules. Each engine module having an associated crankshaft segment. A first clutch is provided for connecting the first crankshaft segment to the second crankshaft segment such that the first and second... | 10/31/2000 |
| 6138636 | Apparatus for controlling multi-cylinder internal combustion engine with partial cylinder switching-off mechanism In an apparatus for controlling a multi-cylinder internal combustion engine with partial cylinder switch-off mechanism which is switchable between an all-cylinder operation mode in which all cylinders are operated and a partial-cylinder operation mode in ... | 10/31/2000 |
| 6131545 | Apparatus for switching off a load change valve of an internal combustion engine An apparatus for switching off a load change valve of an internal combustion engine has a camshaft with a cam disk and a pivot lever pivotably connected to an engine part and pivoted back and forth by the cam disk. An actuator is moveably guided in the pi... | 10/17/2000 |
| 6125812 | Fuel injection split engine An automobile includes an engine and an engine controller. The engine includes multiple cylinders. Each cylinder hyas a fuel injector connected to the engine controller. The engine controller has a first output which activates a first fraction of the fuel... | 10/03/2000 |
| 6098592 | Process and device for controlling an internal combustion engine A method and an arrangement for controlling an internal combustion engine are suggested wherein a pregiven number of cylinders are shut off for reducing consumption and for reducing toxic substances in predetermined operating conditions. To maintain the t... | 08/08/2000 |
| 6092497 | Electromechanical latching rocker arm valve deactivator A valve deactivator assembly (13) for an internal combustion engine, the assembly including a drive rocker arm (39) receiving cyclical motion from an engine push rod (23), and a driven rocker arm (41) which engages the engine poppet valve (29). The rocker... | 07/25/2000 |
| 6076491 | Valve control mechanism The valve control mechanism is suitable for use in a valve train which transmits lifts from a cam (11) located on a camshaft (10) of an internal combustion engine to a cylinder head valve (217) of the internal combustion engine and which has a first abutm... | 06/20/2000 |
| 6065440 | Internal combustion engine with binary cylinder sizing for variable power output A variable displacement internal combustion engine having a series of at least three cylinders, each having a piston attached to a connecting rod which drives a crankshaft which is common to the three cylinders, wherein the cylinders include a first cylin... | 05/23/2000 |
| 6058895 | Means for the actuation of valves on a reciprocating engine with a variable valve lift, in particular a reciprocating internal combustion engine A device for actuating valves of a reciprocating engine, such as a reciprocating internal combustion engine, includes a lever arrangement having a cam lever and having an adjustment device for adjusting an idle stroke in relation to the valves; a control ... | 05/09/2000 |