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公开(公告)号：WO02062611A3
公开(公告)日：2002-10-10
申请号：PCT/US0203601
申请日：2002-02-06
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B
CPC classification number: B60L11/00 , H02P2201/07 , H02P2201/09 , H02P2201/11 , Y02T10/646 , Y02T10/648
Abstract: A nelectric vehicle driving system includes a power source (102), a voltage convertor (104), a control system (106) and one or more motors (110,112) for driving or propelling the vehicle. The voltage convertor is configured to accept an input voltage from the power source and generate an output voltage different from the input voltage. A switch (120) is provided to switch the delivery of power to the control system between the output of the power source and the output of the voltage convertor.
Abstract translation: 电动车辆驾驶系统包括用于驱动或推进车辆的电源（102），电压转换器（104），控制系统（106）和一个或多个电动机（110,112）。 电压转换器被配置为接受来自电源的输入电压并产生不同于输入电压的输出电压。 提供开关（120）以在电源的输出和电压转换器的输出之间切换向控制系统的电力输送。
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公开(公告)号：EP1365936A4
公开(公告)日：2005-04-13
申请号：EP02707732
申请日：2002-02-06
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B
CPC classification number: B60L11/00 , H02P2201/07 , H02P2201/09 , H02P2201/11 , Y02T10/646 , Y02T10/648
Abstract: A system and method for driving an electric vehicle is provided. The system has, for example, a power source generating a voltage, a voltage converter, a control system, and one or more motors for driving or propelling the vehicle. The voltage converter is configured to accept an input voltage and generate an output voltage, which is different from the input voltage. The power source provides the input voltage to the voltage converter. A switch is further provided to switch the delivery of power to the control system between a power source voltage and an increased voltage derived from the voltage converter.
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3.发明专利
公开(公告)号：CA2897528C
公开(公告)日：2019-08-20
申请号：CA2897528
申请日：2014-01-07
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B , DANIELS WILLIAM J
IPC: B01D53/04 , B01D53/047 , B01D53/053
Abstract: Systems and methods associated with providing a concentrated product gas utilizing a vacuum swing adsorption process are provided. In one embodiment, the system includes first and second sieve beds, a scavenger pump, and a controller. In one embodiment, the method includes: separating one or more adsorbable components from a source gaseous mixture via first and second sieve beds in alternating and opposing filling and purging cycles of a vacuum swing adsorption process to form the concentrated product gas and pressurizing the concentrated gas for delivery to a user. Other embodiments include selectively controlling a variable restrictor based at least in part on a desired output setting to selectively provide flow between the first and second sieve beds such that the flow for at least one output setting is different from the flow for at least one other output setting in relation to corresponding filling cycles.
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公开(公告)号：SE510239C2
公开(公告)日：1999-05-03
申请号：SE9303143
申请日：1993-09-27
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B
Abstract: Provided is a powered wheelchair (A) having the drive motors (60) mounted to the driven wheels (44). The wheelchair includes a seat (B) and first and second side frames (16) extending in a parallel relationship to support opposite sides of the seat. First and second driven wheels (44) are rotatably mounted on the first and second side frames through a fixed axle shaft (92). First and second drive motors (60) are fixedly mounted on the first and second driven wheels (14), respectively, and are operatively connected by first and second drives (80, 84, 88) to the first and second driven wheels, respectively. Rotation of the first and second drive motors causes rotation of the driven wheels. Control of the motors is provided by a remote control arrangement, the transmitter (100) being mounted to one of the side frames and the receiver (106) being mounted on the rotatably mounted wheels.
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公开(公告)号：AT98166T
公开(公告)日：1993-12-15
申请号：AT90900575
申请日：1989-11-16
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B , WAKEFIELD THEODORE C , WAINSCOTT ALAN D
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Patent Agency Ranking
公开(公告)号：SE9303143D0
公开(公告)日：1993-09-27
申请号：SE9303143
申请日：1993-09-27
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B
Abstract: Provided is a powered wheelchair (A) having the drive motors (60) mounted to the driven wheels (44). The wheelchair includes a seat (B) and first and second side frames (16) extending in a parallel relationship to support opposite sides of the seat. First and second driven wheels (44) are rotatably mounted on the first and second side frames through a fixed axle shaft (92). First and second drive motors (60) are fixedly mounted on the first and second driven wheels (14), respectively, and are operatively connected by first and second drives (80, 84, 88) to the first and second driven wheels, respectively. Rotation of the first and second drive motors causes rotation of the driven wheels. Control of the motors is provided by a remote control arrangement, the transmitter (100) being mounted to one of the side frames and the receiver (106) being mounted on the rotatably mounted wheels.
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公开(公告)号：DK2543537T3
公开(公告)日：2017-01-23
申请号：DK12171944
申请日：2008-01-31
Applicant: INVACARE CORP
Inventor： STROTHMANN THOMAS , RICHEY JOSEPH B
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公开(公告)号：NZ579776A
公开(公告)日：2012-09-28
申请号：NZ57977608
申请日：2008-01-31
Applicant: INVACARE CORP
Inventor： STROTHMANN THOMAS , RICHEY JOSEPH B
Abstract: A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of- turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course.
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公开(公告)号：NZ524990A
公开(公告)日：2005-02-25
申请号：NZ52499001
申请日：2001-09-27
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B
Abstract: A system and method for providing bi-level CPAP therapy is provided that incorporates an infrared carbon dioxide sensor to determine whether a patient is exhaling or inhaling. Patient exhalation causes the infrared light to be absorbed while patient inhalation reduces the presence of carbon dioxide causes little or no absorption of carbon dioxide. The level of carbon dioxide in an associated patient breathing interface is monitored for thresholds that trigger higher CPAP pressure upon inhalation and lower CPAP pressure upon exhalation.
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公开(公告)号：SE9303143L
公开(公告)日：1994-05-24
申请号：SE9303143
申请日：1993-09-27
Applicant: INVACARE CORP
Inventor： RICHEY JOSEPH B
Abstract: Provided is a powered wheelchair (A) having the drive motors (60) mounted to the driven wheels (44). The wheelchair includes a seat (B) and first and second side frames (16) extending in a parallel relationship to support opposite sides of the seat. First and second driven wheels (44) are rotatably mounted on the first and second side frames through a fixed axle shaft (92). First and second drive motors (60) are fixedly mounted on the first and second driven wheels (14), respectively, and are operatively connected by first and second drives (80, 84, 88) to the first and second driven wheels, respectively. Rotation of the first and second drive motors causes rotation of the driven wheels. Control of the motors is provided by a remote control arrangement, the transmitter (100) being mounted to one of the side frames and the receiver (106) being mounted on the rotatably mounted wheels.
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