[특허]Power conversion device

Power conversion device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-033/44 F16H-013/06 F16H-013/14 F02B-033/40 F16H-047/06 F15B-011/16 F02B-039/04 F02B-039/08
출원번호	US-0817270 (2015-08-04)
등록번호	US-9915192 (2018-03-13)
발명자 / 주소	Buschur, Jeffrey J.
출원인 / 주소	Buschur, Jeffrey J.
대리인 / 주소	Lewis, J. Gordon
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

A power conversion device in the form of a compressor drive constitutes a three channel power sharing transmission which allows power input and/or output from shafts on two of the channels along with hydraulic, electric or potentially pneumatic power input and/or output from the third channel. Varying the input and/or output of hydraulic, electric or pneumatic flow provides a continuously variable transmission function. Several embodiments of the power conversion device are described to drive a supercharger for an internal combustion engine providing a variable ratio coupling allowing effective use of a centrifugal type compressor across a broad range of operational engine speeds.

대표청구항 ▼

1. A power conversion device comprising: first rotating drive shaft operable for receiving rotational motion from an external drive;a hydraulic motor including a rotating motor assembly mounted on and rotating with said first rotating drive shaft;a second rotating shaft comprising an output shaft of said hydraulic motor disposed concentrically with said first rotating drive shaft and said rotating motor assembly;at least two rotary fluid couplings forming hydraulic supply and return channels of said hydraulic motor through a rotating interface with said first drive shaft; anda hydraulic valve in fluid communication with at least one of said rotary fluid couplings,wherein said hydraulic valve comprises a controllable hydraulic restrictor disposed between the two rotary fluid couplings of said hydraulic motor. 2. The power conversion device of claim 1, further comprising: a relief valve in fluid communication with at least one rotary fluid coupling and controllably operable to limit pressure across said rotating fluid couplings. 3. A power conversion device comprising: a first rotating drive shaft operable for receiving rotational motion from an external drive;a hydraulic motor including a rotating motor assembly mounted on and rotating with said first rotating drive shaft;a second rotating shaft comprising an output shaft of said hydraulic motor disposed concentrically with said first rotating drive shaft and said rotating motor assembly;at least two rotary fluid couplings forming hydraulic supply and return channels of said hydraulic motor through a rotating interface with said first drive shaft;a hydraulic pump mechanically coupled with said first shaft and in fluid communication with said hydraulic motor through said rotary fluid couplings;a fluid reservoir; anda hydraulic valve selectively directing pump output flow either to said hydraulic motor or said fluid reservoir. 4. A power conversion device comprising: a first rotating drive shaft operable for receiving rotational motion from an external drive;a hydraulic motor including a rotating motor assembly mounted on and rotating with said first rotating drive shaft;a second rotating shaft comprising an output shaft of said hydraulic motor disposed concentrically with said first rotating drive shaft and said rotating motor assembly;at least two rotary fluid couplings forming hydraulic supply and return channels of said hydraulic motor through a rotating interface with said first drive shaft;a step up gearing mechanism coupled to the output shaft of said hydraulic motor; anda centrifugal compressor coupled to said step up gearing mechanism. 5. The power conversion device of claim 4, wherein said centrifugal compressor comprises a portion of an engine forced air induction system. 6. A power conversion device comprising: a first rotating drive shaft operable for receiving rotational motion from an external drive;a hydraulic motor including a rotating motor assembly mounted on and rotating with said first rotating drive shaft;a second rotating shaft comprising an output shaft of said hydraulic motor disposed concentrically with said first rotating drive shaft and said rotating motor assembly; anda first rotary fluid coupling forming hydraulic fluid supply channels for said hydraulic motor through a first rotating interface within said first drive shaft, and a second rotary fluid coupling forming hydraulic return channels for said hydraulic motor through a second rotating interface within said second rotating shaft. 7. A power conversion device comprising: a first rotating drive shaft operable for receiving rotational motion from an external drive;a hydraulic motor including a rotating motor assembly mounted on and rotating with said first rotating drive shaft;a second rotating shaft comprising an output shaft of said hydraulic motor disposed concentrically with said first rotating drive shaft and said rotating motor assembly;at least two rotary fluid couplings forming hydraulic supply and return channels of said hydraulic motor through a rotating interface with said first drive shaft;a hydraulic pump mechanically coupled with said first shaft and in fluid communication with said hydraulic motor through said rotary fluid couplings; anda plurality of hydraulic control valves in fluid communication with said hydraulic motor forming a control system operable to vary hydraulic flow within said hydraulic motor to:i.) turn the second rotating shaft faster than the drive shaft via fluid supplied by said pump being directed into the hydraulic motor to add rotary motion relative to the input shaft;ii.) rotate the second rotating output shaft at relatively the same speed as said drive shaft by the hydraulic motor remaining near rotation less via restricting the flow between the two rotary couplings; andiii.) turn the second rotating output shaft in an opposite direction than the input drive shaft by a controlled restriction of flow between said rotary fluid couplings.

이 특허에 인용된 특허 (39)

Buschur Jeffrey J. ; Hill John S., Apparatus and method of controlling fluid flow between a plurality of vehicle components.
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Mientus Michael J., Automotive hydraulic engine cooling system with thermostatic control by hydraulic actuation.
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Buschur Jeffrey J., Automotive hydraulic system and method.
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Buschur Jeffrey J. (Bellbrook OH), Automotive hydraulic system and method.
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Buschur Jeffrey J. (Bellbrook OH), Automotive hydraulic system and method.
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Inoue, Masaya; Asao, Yoshihito, Automotive supercharging apparatus.
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Carlson, Michael A.; Jones, Kenneth C., CVT driven supercharger with selectively positionable speed multiplying gear set.
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Shirai Makoto (Toyohashi JPX), Centrifugal supercharger.
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Grethel, Marco; Müller, Eric; Stehr, Reinhard; Triller, Andreas, Compressor drive system with variable rotational speed.
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Ozawa Godo,JPX, Differential driving supercharger and method for controlling the same.
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Buscher, Jeffrey J.; Gibson, John R.; Hill, John S.; Jiang, Hong; Nickel, David F.; Schutte, Daniel J., Dual displacement motor control.
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Hisano, Yuya; Tanaka, Hideyuki; Iezawa, Masahiro, Electric motor control apparatus and electric supercharging apparatus using electric motor control apparatus.
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Lofgren, Isak, Enhanced supercharging system and an internal combustion engine having such a system.
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Kapich, Davorin D., Exhaust power recovery system.
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Buschur Jeffrey J. ; Eyink Robert V., Fluid control system for powering vehicle accessories.
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Sherrill, Ryan; VanDyne, Ed, High torque traction drive.
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Kobayashi Robert J. (Rancho Palos Verdes CA), Hydraulic assist turbocharger system and method of operation.
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Liang Cho Y., Hydraulic drive for a pressure wave supercharger utilized with an internal combustion engine.
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Buschur Jeffrey J. (Bellbrook OH), Hydraulic motor system.
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Buschur Jeffrey J. (Bellbrook OH), Hydraulic motor system.
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Buschur, Jeffrey J.; Hill, John S.; Mientus, Michael, Hydraulic motor system.
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Buschur, Jeffrey J.; Leemhuis, Richard S.; Shloff, Donald G., Hydraulic turbo accelerator apparatus.
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Patrick Matthews, Hydraulically powered exhaust gas recirculation system.
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Machesney Kerry A. ; Buschur Jeffrey J., Hydraulically powered fan and power steering in vehicle.
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Buschur Jeffrey J. ; Hill John S., Hydraulically powered fan system for vehicles.
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Buschur Jeffrey J. ; Hill John S., Hydraulically powered fan system for vehicles.
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Dickey Daniel W., Hydraulically-actuated exhaust gas recirculation system and turbocharger for engines.
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Grabowski, Tony; Jaura, Arun; Ortmann, Walt; Natkin, Robert; Szwabowski, Steve; Jih, Edward; Oltmans, Bret; Denlinger, Adam; Dhillon, Jaswant Jas; Chen, Yin; Boyer, Brad, Hydrogen fuelled hybrid powertrain and vehicle.
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Johnson,Truman G., Hydrostatic drive apparatus for a road vehicle.
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Dueckinghaus,Heinz; Strieker,Norbert; Rhody,Thomas, Intake conveyor mechanism control for an agricultural working machine.
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Nelson Bill (400 N. Frankwood Sanger CA), Power plant for generation of electrical power and pneumatic pressure.
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Hiereth Hermann (Esslingen DEX) Messerschmidt Dieter (Korntal DEX), Process for the load-dependent control of a hydraulic drive for a compressor arranged at an internal-combustion engine.
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Van Dyne,Ed; Gendron,Thomas A., Super-turbocharger.
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Bucher Jakob (Bobingen DEX), Turbo-charged internal combustion engine with exhaust gas energy recuperation.
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Keller Robert A. (1604 Camberwell Pl. Westlake Village CA 91361), Turbocharger lubrication system.
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Blaylock,Jimmy L.; Brown,Richard T., Turbocharger with adjustable throat.
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Lewis J. Gordon, Vehicle hydraulic component support and cooling system.
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Lewis J. Gordon, Vehicle hydraulic component support and cooling system.
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Kapich Davorin (3111 Serrand Dr. Carlsbad CA 92009), Very high speed hydraulic turbine drive.
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