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| Number | Title | Issue Date |
| 7824271 | Device for adjusting the relative angular position of two rotating elements In a device for adjusting the relative angular position of two rotating elements which are connected to a drive and, via a transmission element, to an actuating shaft by which, driven by a rotor of an electric actuating drive including a winding, the relative angula... | 11/02/2010 |
| 7441524 | Valve timing control apparatus for internal combustion engine and control method thereof In a structure with a variable valve timing mechanism which varies an opening-and-closing timing of an intake valve and/or an exhaust valve due to a rotational phase of a camshaft with respect to a crankshaft of an internal combustion engine being varied, the rotati... | 10/28/2008 |
| 7438035 | Cam drive apparatus having a magnetic gear A cam drive apparatus comprising a magnetic gear adapted to communicate rotational movement between a crankshaft and a cam shaft, wherein said magnetic gear comprises an outer member comprising a plurality of circumferentially spaced magnet means, said outer member ... | 10/21/2008 |
| 7421990 | Harmonic drive camshaft phaser A camshaft phaser comprising first and second harmonic gear drive (HD) units disposed in back-to-back relationship. Each HD includes an elliptical wave generator (WG), a flexspline (FS) deformable by the WG, and a circular spline (CS) for engaging the FS. A dynamic ... | 09/09/2008 |
| 7418934 | Valve timing controller A valve timing controller is provided with a first rotary element that rotates in response to a crankshaft, a second rotary element that rotates in response to a camshaft. Multiple link mechanisms are arranged adjacently in the rotational direction of the first rota... | 09/02/2008 |
| 7409937 | Hydraulic control system for internal combustion engine A hydraulic control system for an internal combustion engine, includes a driven mechanism driven by hydraulic pressure fed through a flowing passage change-over valve. The flowing passage change-over valve includes a valve body formed with a plurality of ports which... | 08/12/2008 |
| 7401582 | Camshaft phaser having designated contact vane In a vane-type camshaft phaser, one vane extends over a much larger internal angle than the other two vanes. Because of its size and strength, the large vane is the vane designated for contact with the stator. The other vanes and lobes have extra clearance to preven... | 07/22/2008 |
| 7395791 | Valve timing controller with a stopper A valve timing controller is disclosed that includes first and second rotating elements, and a phase changing mechanism including arm members coupling the first and second rotating elements. The valve timing controller also includes a cam plate and a stopper to rest... | 07/08/2008 |
| 7387097 | INA-schaeffler KG, industriestrasse 1-3, 91074 herzogenaurach ANR 12 88 48 20 The invention relates to a device (101) for varying the control times of gas exchange valves of an internal combustion engine, with a hydraulic actuation device (102) and with a control valve (103). The device (101) according to the inven... | 06/17/2008 |
| 7380529 | Method for adjusting an angle of rotation, and phase displacement device for carrying out said method A method for adjustment of the relative angle of rotation between a camshaft and a crankshaft in an internal combustion engine through an electromechanical phase adjuster is provided. The invention provides a rapid and precise adjustment behavior. To that end, a dev... | 06/03/2008 |
| 7377243 | Adjusting mechanism for a camshaft arrangement In an adjusting mechanism which is connected to first and second camshafts of a camshaft drive arrangement including a control device for adjusting the phase position of at least one of the camshafts relative to a crankshaft of an internal combustion engine, and hav... | 05/27/2008 |
| 7377242 | Valve timing adjusting apparatus A driving-side rotatable body includes a driving-side inner gear, which has an axial extent that does not overlap with an axial extent of a driven-side inner gear of a driven-side rotatable body. A driven-side outer gear and a driving-side outer gear of a planet gea... | 05/27/2008 |
| 7350487 | Method for reducing phaser rotational instability in an internal combustion engine A camshaft phaser control system for reducing rotor positional instability. A phaser system includes a target wheel mounted on the phaser rotor such that during camshaft rotation wheel teeth chop a signal to generate first and second interruption signals indicative ... | 04/01/2008 |
| 7347173 | Valve timing control system for internal combustion engine A valve timing system for an internal combustion engine includes a phase alteration mechanism interposed between a driving rotator and a driven rotator and having a direction turning point at which the phase alteration direction is reversed when a movable portion of... | 03/25/2008 |
| 7343887 | Apparatus for abnormal diagnosis of variable valve timing mechanism An abnormality diagnosis system 100 includes a VVT controller 110, an adjustable valve mechanism 120, a cam angle sensor 130, a model computation module 140, an abnormality detection module 150, and an alarm lamp 160.... | 03/18/2008 |
| 7331318 | Camshaft adjuster with play-free locking Camshaft adjusters according to the swivel motor principle may be provided with a bar which arrests the rotor in a position relative to the stator. A bar according to the invention is provided with two portions, between which a change of power transmission takes pla... | 02/19/2008 |
| 7322607 | Telescopic shaft for steering vehicle and telescopic shaft for steering vehicle with cardan shaft coupling A telescopic shaft for steering of a vehicle is assembled in a steering shaft and includes a male shaft and a female shaft that are so fitted as not to be rotatable but to be slidable. Rolling members are fitted through an elastic body for pre-load between at least ... | 01/29/2008 |
| 7314416 | Drive shaft coupling A drive shaft assembly to interconnect a driving component and a driven component has a first shaft and a second shaft operably engaged with the first shaft to enable torque transmission and relative axial sliding motion. A joint component operably interconnects one... | 01/01/2008 |
| 7311071 | Variable valve timing control apparatus of internal combustion engine A variable valve timing control apparatus of an internal combustion engine includes a drive rotary member, a driven rotary member, and a phase-change mechanism disposed between the drive and driven rotary members. The phase-change mechanism changes a relative phase ... | 12/25/2007 |
| 7311069 | Variable valve timing control device A variable valve timing control device includes a housing member, a rotor member assembled to the housing member so as to be rotatable relative thereto and including vane portions each forming an advanced angle chamber and a retarded angle chamber within the housing... | 12/25/2007 |
| 7308843 | Spring-biased brake mechanism for power equipment Woodworking machines are disclosed having cutting tools for cutting workpieces. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tool. The machines also include at least one brake component a... | 12/18/2007 |
| 7308878 | Valve timing control apparatus A valve timing control apparatus includes a driving side rotational member, a driven side rotational member formed with a plurality of recessed portions into which a supporting jig is insertable at a second side thereof in the axial direction, a fluid pressure chamb... | 12/18/2007 |
| 7305948 | Device for changing the timing of an internal-combustion engine A device (1) for changing the timing of an internal-combustion engine (2) is provided that has a camshaft adjuster (5), which is supported on a non-rotating bearing journal (6). A driving wheel (8) of the camshaft adjuster (5 | 12/11/2007 |
| 7305947 | Sealing element and pivoting motor In a sealing element, in particular for forming a seal between an impeller or rotary piston of a pivoting motor and a component surrounding the impeller, wherein the sealing element includes a base body with a first spring element integrally formed on a basic body f... | 12/11/2007 |
| 7303479 | Frictional resistance generation mechanism A friction resistance generation mechanism is disposed between two relatively rotatable members of a rotating mechanism. The mechanism includes an input side disk-like plate 32, output side disk-like plates 30 and 31, friction shims 361A,... | 12/04/2007 |
| 7300431 | Remote controlled device for tool rotating A remote-controlled device for rotating tools, preferably medical tools, comprising a hollow body (1) which is embodied in the form of pivotally connected proximal and distal parts (2, 6) provided with a pair of adjacent end surfaces (5, 5′) w... | 11/27/2007 |
| 7290510 | Valve timing adjusting apparatus A valve timing adjusting apparatus has a housing and a vane rotor to form multiple fluid chambers, and a relative position of the vane rotor to the housing is adjusted by the fluid pressure supplied into the fluid chambers. A check valve is provided in a branched pa... | 11/06/2007 |
| 7284522 | Automatic choke A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6, and the opening degree of the choke valve 9 is controlled by a stepping motor ... | 10/23/2007 |
| 7278385 | Camshaft adjuster with a locking position that, with regard to design, is freely selectable Camshaft adjusters are provided for changing the position of a camshaft of an internal combustion engine. One such camshaft adjuster has a locking position that, with regard to design, is freely selectable. ... | 10/09/2007 |
| 7273025 | Camshaft adjuster having a means for securing against modification Camshaft adjusters which work in accordance with the operating principle of a hydraulic oscillating motor comprise at least two components arranged parallel to one another. Frequently, the two components are a covering plate and a stator. The two components are conn... | 09/25/2007 |
| 7270096 | Variable phase drive mechanism A twin vane-type phaser is described which is provided with a locking mechanism for locking the drive member to the driven members when the pressure in the working chambers is a below is predetermined value. The locking mechanism comprises two coaxial locking pins | 09/18/2007 |
| 7272345 | Power coupling device and image forming apparatus having the same A power coupling device including a driving coupler mounted in the driving unit having a first connection part and a first positioning part; and a driven coupler mounted in the driven part having a second connection part and a second positioning part, respectively. ... | 09/18/2007 |
| 7261072 | Device for altering the control times of gas exchange valves of an internal combustion engine The invention relates to a device (101) for altering the control times of gas exchange valves of an internal combustion engine, having a hydraulic actuating device (102) and a control valve (103). The device (101) according to the inventi... | 08/28/2007 |
| 7240650 | Valve timing adjusting apparatus A valve timing adjusting apparatus for an engine comprises a housing unit and a vane rotor rotatably housed in the housing unit. The housing unit comprises a front plate, a shoe housing and a sprocket, wherein those elements are fixed to each other. A position deter... | 07/10/2007 |
| 7238111 | Damper unit with torque limiter The invention eliminates the need of handling an engine in a process for assembling a torsion damper which couples the engine with a power transmission system and a torque limiter. In a damper unit with a torque limiter positioned between an output shaft of an engin... | 07/03/2007 |
| 7234427 | Locking device for a camshaft adjuster In a locking device for a camshaft adjuster comprising a drive housing with a rotor with spaced rotor vanes disposed in the drive housing between circumferentially spaced axial walls projecting radially inwardly so as to form operating chambers at opposite sides of ... | 06/26/2007 |
| 7228831 | Camshaft and oil-controlled camshaft phaser for automotive engine An adjustable camshaft system for an automotive engine includes a camshaft having machined and fabricated axially-directed control passages combined with an oil-activated camshaft phaser. The fabricated oil control passages are formed within a portion of the camshaf... | 06/12/2007 |
| 7225772 | Method, control unit and program code for a control unit for controlling a camshaft control device To operate a steplessly adjustable camshaft control device, particularly reliably and safely, an adaptation of the camshaft and the crankshaft is performed so that a phase angle (actual value) of the camshaft to the crankshaft is determined, the phase angle is monit... | 06/05/2007 |
| 7223176 | Torque transmission system When a first damper contacts both of a protruding portion of a pulley body and a protruding portion of a center hub, a second damper is disposed as being apart from the protruding portion of the center hub with a gap. Even when the pulley body is rotated in a revers... | 05/29/2007 |
| 7222593 | Adjusting device for a camshaft An adjusting device for the rotational position of the camshaft of a reciprocating piston engine relative to the crankshaft, has an actuator for adjusting the rotational position that is connected into a control circuit. The control circuit has a controller, which i... | 05/29/2007 |
