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Motor Vehicle and Engine Patents

Brown & Michaels has represented inventors in many different fields of invention. The following listings show inventions related to motor vehicles, engines and transportation.


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  • 9,695,716 Multi-mode variable cam timing phaser - From BorgWarner
  • 9,689,310 Airplane engine bird strike protection guard
  • 9,968,637 Tensioner with spring force control in a second bore - from BorgWarner
  • 9,664,254 Split ring carrier with eccentric pin with spring compliance and speed dependence - from BorgWarner
  • 9,638,305 Differential assembly for vehicles - from Mana Industries
  • 9,618,096 Chain or belt tensioner with a ratchet that deactivates - from BorgWarner 
  • 9,403,601 Airplane engine bird strike protection guard
  • 9,377,087 and 9,377,088 Chain drive tensioner spring force control mechanism - from BorgWarner
  • 9,360,088 Chain drive tensioner spring force control mechanism - from BorgWarner MorseTEC
  • 9,267,579 Chain or belt tensioner with a ratchet that deactivates - from BorgWarner, Inc. 
  • 9,121,358 Using camshaft timing device with hydraulic lock in an intermediate position for vehicle restarts - from BorgWarner MorseTEC
  • 8,893,677 Dual lock pin phaser from BorgWarner MorseTEC
  • 8,820,280 Variable camshaft timing mechanism with a default mode - from BorgWarner MorseTEC
  • 8,800,515 Cam torque actuated variable camshaft timing device with a bi-directional oil pressure bias circuit - from BorgWarner MorseTEC
  • 8,707,996 Selector valve for an internal combustion engine from G.W. Lisk
  • 8,672,291 Integrated sensor for position contol - for solenoid controlled valves - from G.W. Lisk
  • 8,671,664 System for purging a device - for purging fuel injectors for injecting fuel into exhaust system - from G.W. Lisk
  • 8,615,356 Electromechanical stabilization of in-line wheeled vehicles from IBM
  • 8,608,601 Tensioning Device - from BorgWarner Korea
  • 8,584,634 Phaser built into a camshaft or concentric camshafts from BorgWarner MorseTEC
  • 8,562,476 Manual transmission using chain and planetary gear set as final drive  - from BorgWarner MorseTEC
  • 8,561,584 Cam phaser centrally located along concentric camshafts  - from BorgWarner MorseTEC
  • 8,561,583 Phaser with oil pressure assist - from BorgWarner MorseTEC
  • 8,523,128 Vehicle Bed Raingutter Bracket for Rack System
  • 8,403,783 Hydraulic tensioner with a band type check valve - from BorgWarner MorseTEC
  • 8,387,574 Venting mechanism to enhance warming of a variable cam timing mechanism - from BorgWarner MorseTEC

  • 8,387,244 Assembly system and method for a tensioned chain drive system - from BorgWarner MorseTEC  

  • 8,356,583 Variable camshaft timing device with hydraulic lock in an intermediate position - from BorgWarner MorseTEC
  • 8,337,345 Sliding Rack Ratchet Tensioner - from BorgWarner MorseTEC
  • 8,281,721 Device for unloading and placing rails in a track parallel to another existing track from Tecsa Empresa Contstructora in Madrid, Spain.
  • 8,277,347 Tensioner - from BorgWarner MorseTEC Japan
  • 8,256,393 Variable Cam Timing Controls mounted in the camshaft - from BorgWarner MorseTEC
  • 8,226,509 Torque biased friction hinge for a tensioner - from BorgWarner MorseTEC
  • 8,202,185 Random elastomer cushion rings for a chain sprocket - from BorgWarner MorseTEC
  • 8,197,369  Hydraulic Tensioner - from BorgWarner MorseTEC Japan
  • 8,186,319 Concentric cam with check valves in the spool for a phaser - a Variable Cam Timing (VCT) system from BorgWarner MorseTEC
  • 8,157,229 Vehicle bed raingutter bracket for rack system
  • 8,151,746 Control system for a variable compression engine - from BorgWarner MorseTEC
  • 8,146,551 Concentric cam with phaser - variable cam timing system from BorgWarner MorseTEC
  • 8,066,602 Tension-reducing random sprocket - from BorgWarner MorseTEC
  • 8,066,600 Ratchet mechanism for a chain drive - from BorgWarner MorseTEC
  • 8,057,333 Series spring blade tensioner - from BorgWarner MorseTEC
  • 8,052,559 Tensioner with two-way damper - from BorgWarner MorseTEC
  • 8,052,558 Force limiting tensioning arm - from BorgWarner MorseTEC
  • 8,025,599 Pivot Arm Tensioner - from BorgWarner MorseTEC
  • 8,007,386 Blade tensioner with opposing spans - from BorgWarner MorseTEC
  • 8,006,624 Machine for unloading and positioning rails on crossties in railway tracks - from Tecsa Empresa Constructora, S.A. in Spain
  • 8,002,658 Chains for power transmission - from BorgWarner MorseTEC
  • 7,972,234 Silent chain - from BorgWarner MorseTEC
  • 7,967,526 Device reducing speed of vehicles travelling on a roadway - a fluid-filled "speed bump", using non-Newtonian fluid so that the bump offers more resistance as vehicle speed increases. 
  • 7,824,289 Steer Drive for Tracked Vehicles - a system allowing tracked vehicles to be steered like wheeled vehicles, from Torvec, Inc.
  • 7,699,031 Timing Phaser with Offset Spool Valve - a variable cam timing (VCT) phaser from BorgWarner MorseTEC
  • 7,691,018 Wedge-Damped Blade Tensioner - from BorgWarner MorseTEC
  • 7,691,017 Hydraulic Tensioner - from BorgWarner MorseTEC
  • 7,642,562 Long-wavelength resonant-cavity light-emitting diode from Innolume GmbH in Germany
  • 7,641,577 Mechanical chain tensioner with compliant blade spring - from BorgWarner MorseTEC 
  • 7,635,255 Long Piston Hydraulic Machines - from Torvec, Inc. 
  • 7,632,200 Common link dual arm tensioning device - from BorgWarner MorseTEC
  • 7,628,719 Mechanical strap tensioner for multi-strand tensioning - from BorgWarner MorseTEC
  • 7,597,640 Long mechanical tensioner with a compliant blade spring - from BorgWarner MorseTEC
  • 7,585,352 Grid electrostatic precipitator/filter for diesel engine exhaust removal - for removing particulates from diesel exhaust
  • 7,575,534 Transmission with resistance torque control - from Torvec, Inc. 
  • 7,568,458 Valve event reduction through operation of a fast-acting camshaft phaser - from BorgWarner Morse TEC
  • 7,540,821 Full traction differential with hybrid gearing - an all-gear differential from Torvec, Inc. 
  • 7,537,533 Chain tensioning device linking two strands of a chain drive - from BorgWarner MorseTEC
  • 7,513,843 Mechanical chain tensioner with ratcheting device - from BorgWarner MorseTEC
  • 7,500,928 Randomized Chain System  - from BorgWarner MorseTEC
  • 7,498,929 Numerical display module for trail vehicles - for snow mobiles and similar vehicles
  • 7,479,077 Pivoting mechanical tensioner with compliant blade spring - from BorgWarner Morse TEC
  • 7,476,168 Pivoting mechanical tensioner with cross strand damping - from BorgWarner Morse TEC
  • 7,475,617 Orbital transmission with geared overdrive - from Torvec, Inc.
  • 7,416,045 Dual hydraulic machine transmission - an improved transmission for motor vehicles, from Torvec, Inc. 
  • 7,404,778 High-performance silent chain from BorgWarner Morse TEC
  • 7,367,637 Endless track for high speed multi-terrain vehicles from Torvec, Inc.
  • 7,255,077 CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionals - a variable cam timing (VCT) phase adjustment device from BorgWarner Morse TEC
  • 7,252,060 Torsional damper for balance shafts  from BorgWarner Morse TEC
  • 7,231,896 Control Mechanism for a Cam Phaser - a variable cam timing patent from BorgWarner Morse TEC
  • 7,225,770 Electromagnetic actuator having inherently decelerating actuation between limits - a valve actuation system for engines, from BorgWarner Morse TEC
  • 7,214,153 Method of changing the duty cycle frequency of a PWM solenoid on a cam phaser to increase compliance in a timing drive - from BorgWarner Morse TEC
  • 7,194,992 Hydraulic Cushioning of a Variable Valve Timing Mechanism - from BorgWarner Morse TEC
  • 7,189,175 Tensioner equipped with a no-return device and method of disabling anti-rotation device - an improved hydraulic tensioner from BorgWarner MorseTEC Europe.
  • 7,137,371 Phaser with a single recirculation check valve and inlet valve - a variable cam timing (VCT) phaser from BorgWarner MorseTEC
  • 7,137,369 VCT closed-loop control using a two-position on/off solenoid - a Variable Cam Timing control system from BorgWarner MorseTEC
  • 7,131,666 Off-road Vehicle Trailer - a trailer for emergency transportation behind ATVs, snowmobiles, etc. 
  • 7,124,722 Remote variable camshaft timing control valve with lock pin control - from BorgWarner MorseTEC
  • 7,118,503 Creep Locking Retention Mechanism - for chain tensioners, from BorgWarner MorseTEC 
  • 7,097,580 Sprocket for a silent chain and method of manufacturing the same - from BorgWarner Morse TEC Japan 
  • 7,097,579 Pivoting chain guide and tensioner assembly - from BorgWarner Morse TEC
  • 7,021,257 Compensating for VCT phase error over speed range - an improved Variable Cam Timing control system from BorgWarner Morse TEC 
  • 7,014,585 Blade-type chain tensioner system - from Morse TEC Japan
  • 7,000,580 Control valve with integrated check valves - for variable cam timing (VCT) phasers, from BorgWarner Morse TEC
  • 6,997,150 CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionals - improved Variable Cam Timing (VCT) device from BorgWarner Morse TEC
  • 6,990,935 Pivoting lifter control system using spool valve and check valve to recirculate oil - a variable valve timing system from BorgWarner Morse TEC
  • 6,978,749 Means to add torsional energy to a camshaft - for variable cam timing (VCT) systems, from BorgWarner Morse TEC
  • 6,983,680 Long-piston hydraulic machines - Smaller and lighter hydraulic pump/motors provide remarkably improved volumetric efficiency, from Torvec, Inc. 
  • 6,971,355 Variable lift and duration device for poppet valves - from BorgWarner Morse TEC 
  • 6,971,354 Variable camshaft timing system with remotely located control system - from BorgWarner Morse TEC 
  • 6,966,289 VCT mechanism incorporating camshaft bearing journal - from BorgWarner Morse TEC
  • 6,966,288 Lock pin with centrifugally operated release valve - from BorgWarner Morse TEC, for variable cam timing (VCT) phasers
  • 6,955,145 Methods and apparatus for receiving excessive inputs in a VCT system - from BorgWarner Morse TEC
  • 6,945,889 Hydraulic Tensioner - from BorgWarner MorseTEC

  • 6,941,913 Spool valve controlled VCT locking pin release mechanism - from BorgWarner MorseTEC
  • 6,941,799 Real-time control system for Variable Cam Timing (VCT) systems - from BorgWarner MorseTEC
  • 6,938,592 Control method for electro-hydraulic control valves over temperature range - control of Variable Cam Timing (VCT) from BorgWarner Morse TEC
  • 6,935,290 Avoid drawing air into VCT chamber by exhausting oil into an oil ring - from BorgWarner MorseTEC
  • 6,932,037 Variable CAM timing (VCT) system having modifications to increase CAM torsionals for engines having limited inherent torsionals - an improvement in variable cam timing control, from BorgWarner Morse TEC 
  • 6,932,033 System and method for improving VCT closed-loop response at low cam torque frequency - an improvement in variable cam timing control, from BorgWarner Morse TEC
  • 6,904,880 VCT Sensor and Actuator Module - variable cam timing components integrated into an engine cover, from BorgWarner Inc.
  • 6,902,505 Blade-type Tensioner - a chain tensioner from BorgWarner Morse TEC Japan
  • 6,889,634 Method of providing hydraulic pressure for mechanical work from an engine lubricating system - powering engine accessories from variable-displacement oil pump - from BorgWarner MorseTEC
  • 6,883,481 Torsional assisted multi-position cam indexer having controls located in rotor - a VCT phaser from BorgWarner MorseTEC
  • 6,883,479 VCT phaser having an electromagnetic lock system for shift and lock operation - from BorgWarner MorseTEC
  • 6,883,475 Phaser mounted DPCS (differential pressure control system) to reduce axial length of the engine - from BorgWarner MorseTEC
  • 6,883,320 Control system regulating air flow to engine intake - servomechanism for engine intake flow valve, from G.W.Lisk Co. 

  • 6,878,082 Hydraulic tensioner with ratchet mechanism - an improved chain tensioner from BorgWarner MorseTEC KK (Japan)
  • 6,866,013 Hydraulic cushioning of a variable valve timing mechanism - an improved VCT phaser from BorgWarner MorseTEC
  • 6,852,049 Ratcheting hydraulic chain tensioner with rotational reset and locking means - from BorgWarner MorseTEC
  • 6,849,015 Ratcheting pivot arm tensioner with backlash - chain or belt tensioner from BorgWarner Morse TEC
  • 6,840,202 Method to reduce noise of a cam phaser by controlling the position of center mounted spool valve from BorgWarner Morse TEC
  • 6,814,038 Spool valve controlled VCT locking pin release mechanism from BorgWarner Morse TEC
  • 6,814,037 Variable camshaft timing for internal combustion engine with actuator locking - an improved VCT phaser from BorgWarner Morse TEC
  • 6,810,842 Control method for achieving expected VCT actuation rate using set point rate limiter - from BorgWarner Morse TEC
  • 6,808,467 Blade Tensioner and System for a Chain - a tensioner with transverse guides to limit sideways tilt - from BorgWarner (Japan)
  • 6,807,931 Control method for transitions between open and closed loop operation in electronic VCT controls - from BorgWarner Morse TEC, a system for switching between open- and closed-loop control for Variable Cam Timing systems
  • 6,792,902 Externally mounted DPCS (differential pressure control system) with position sensor control to reduce frictional and magnetic hysteresis - from BorgWarner Morse TEC
  • 6,783,476 Compact full-traction differential - from Torvec, Inc. - an improved, efficient, limited-slip differential
  • 6,779,501 Method to reduce rotational oscillation of a vane style phaser with a center mounted spool valve - from BorgWarner Inc. 
  • 6,776,384 Seat of vehicle - from Shigeru Co. of Japan
  • 6,776,145 Supercharger having pressure aided oil drain - an improved supercharger for vehicle engines, from BorgWarner Inc.
  • 6,772,721 Torsional assist cam phaser for cam in block engines - an improved variable cam timing (VCT) phaser from BorgWarner Inc.
  • 6,767,302 Hydraulic tensioner - a tensioner with decreased components and adequate backlash, from BorgWarner, Inc. 

  • 6,766,777 Method to ensure robust operation of a pin lock in a vane style cam phaser - for a variable cam timing (VCT) system, from BorgWarner Inc.

  • 6,766,776 Control method for preventing integrator wind-up when operating VCT at or near its physical stops from BorgWarner Inc. 

  • 6,763,791 Cam phaser for engines having two check valves in rotor between chambers and spool valve - an improved variable cam timing (VCT) phaser from BorgWarner, Inc.  

  • 6,748,912 Method to vent air from a cam phaser with a center mounted spool valve - for VCT systems, from BorgWarner Morse TEC
  • 6,745,735 Air venting mechanism for variable camshaft timing devices - for locking pins in VCT phasers, from BorgWarner Morse TEC
  • 6,745,732 VCT cam timing system utilizing calculation of intake phase for dual dependent cams - a VCT cam timing system utilizing calculation of intake phase for dual dependent cams, from BorgWarner Morse TEC. 
  • 6,736,094 VCT Solenoid Dither Frequency Control - to reduce hysteresis effect in variable cam timing systems - from Morse TEC / BorgWarner Inc.
  • 6,729,283 Externally mounted vacuum controlled actuator with position sensor control means to reduce functional and magnetic hysteresis - an improved Variable Cam Timing (VCT) control system from Morse TEC / BorgWarner Inc. 
  • 6,725,698 Method for forming tube end - for making tubes for mufflers - from Sakamoto Industry Co. in Japan
  • 6,722,328 Control method for dual dependent variable cam timing system - from BorgWarner, Inc. 
  • 6,705,260 Reed Valve VCT Phaser with Worm Trails - from BorgWarner Morse TEC - an improved variable cam timing phaser using a novel check valve arrangement. 
  • 6,685,587 Hydraulic Chain Tensioner with No-return Device for the Piston - a tensioner for chains or belts, from BorgWarner, Inc.
  • 6,668,778 Using differential pressure control system for VCT lock - controls for locking Variable Cam Timing phaser - from BorgWarner MorseTEC
  • 6,666,181 Hydraulic detent for a variable camshaft timing device - a variable cam timing (VCT) phaser from BorgWarner MorseTEC
  • 6,647,936 VCT lock pin having a tortuous path providing a hydraulic delay  - from BorgWarner Morse TEC - a variable cam timing phaser with an improved locking mechanism
  • 6,644,258 VCT mechanism having a lock pin adapted to release at a pressure higher than the pressure required to hold the lock pin in the released position - from BorgWarner Morse TEC - a variable cam timing phaser with an improved locking mechanism
  • 6,641,146 Creeper with an elevated platform 
  • 6,641,496 Blade Tensioner - from BorgWarner KK in Japan. 
  • 6,634,659 Multi-purpose transporter - a container for manually transporting water, grain or other materials.
  • 6,622,677 Worm gear driven variable cam phaser - from BorgWarner - a variable cam timing (VCT) phaser, in which phase is shifted by a worm gear. 
  • 6,622,675 Dual PWM control of a center mounted spool value to control a cam phaser - from BorgWarner - control system for a variable cam timing (VCT) phaser. 
  • 6,616,557 Clip for blade tensioner and blade tensioner with clip - from BorgWarner - a chain tensioner. 
  • 6,592,483 CVT chain-belt having wear pads extending from wear links wherein pads are positioned at or between joint/pin ends - a chain/belt for Continuously Variable Transmissions (CVT) - from BorgWarner (Morse TEC)
  • 6,600,992 Airport Ground Navigation System - using centrally controlled ground tugs to move aircraft - from Airborne Holding, LLC
  • 6,578,688 Spline cushion clutch driver for an electromagnetic clutch - an automotive air conditioning clutch, from North Coast Clutch Company
  • 6,571,757 Variable force solenoid with spool position feedback to control the position of a center mounted spool valve to control the phase angle of cam mounted phaser - from BorgWarner - control of a variable cam timing (VCT) phaser. 
  • 6,561,146 Method of controlling resonances in internal combustion engine having variable cam timing - from BorgWarner, Inc. (Morse TEC). 
  • 6,559,558 Smart Car Starter - activates a remote car starter at preset times of day.
  • 6,435,154 VCT controls integrated into front cover of engine - integrates the controls for Variable Cam Timing into the front cover of an engine - from BorgWarner Inc.
  • 6,105,842 Pickup Truck Storage Bag - fits over the bed of the pickup.
  • 6,050,384 - Method and Apparatus for Rapid Transmission Brake Release - a modification to an automatic transmission to allow extremely rapid and consistent transbrake release for drag racing.
  • 5,831,223 - Self-tuning Exhaust Muffler - for use in motorcycles, reduces sound with little reduction in engine torque.
  • 5,634,419 Front Drive Boat - a boat which has the same stability characteristics as front-drive cars, through the use of a front-drive arrangement and a unique hull design.
  • 5,472,230 Portable Vehicular Air Bag Device - allows car owners to have the benefit of a passenger-side airbag in cars which are not normally equipped with them.
  • 5,495,999 Retractable Canard Wing Surfaces for Airplanes - canard (forward) wing surfaces retract flush with the skin of an airplane.
  • 5,299,903 Retrieval Guide for Boat Trailers - a keel guide for centering boats on trailers.
  • 4,598,940 Combined Latch/Hinge for Vehicle Covers - for use with pickup truck caps. The invention serves as either a hinge or a lock, so that the cap can be lifted from either side, or removed entirely.

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Design Patents || Electronics || Furniture and Household Articles 
Industrial Machinery and Processes
|| Medical || Misc. || Optics  
Semiconductors / MEMS || Sports and Recreation || Tools
Vehicles, Engines and Transportation || What's New?


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