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    • 4. 发明授权
    • Mechanical kickdown for electronic throttle control pedal assembly
    • 电子油门踏板总成的机械踏板
    • US06209418B1
    • 2001-04-03
    • US09383839
    • 1999-08-26
    • Avtar S. KalsiDouglas J. Wheeler
    • Avtar S. KalsiDouglas J. Wheeler
    • G05G114
    • B60K26/021F16H59/20Y10T74/20534Y10T74/2054Y10T74/20888
    • An accelerator pedal assembly (12) for electronically controlling a vehicle engine throttle includes a housing (18), a pedal arm (16) pivotally supported with respect to the housing (18), and a pedal pad (14) connected to a lower end (20) of the pedal arm (16). The pedal arm (16) is pivotable between an idle position and a maximum applied position as a pedal force is applied to the pedal pad (14). Under certain conditions, the accelerator pedal arm (16) can be pivoted to a position that causes the automatic transmission (40) to kickdown by changing to a next lower gear. Under these conditions a feel is imparted to the driver's foot indicating that a downshift has occurred. To simulate this feel in a drive-by-wire application, the pedal arm (16) presents a cam surface (48) for interacting with a spring (50) that has a first end (52) seated within the housing (18) and a movable second end (54) for bias engagement with the pedal arm (16). The spring (50) includes a roller (60) mounted on the second end (54) that is forced into contact with a lobe (74) on the cam surface (48) when the pedal arm (16) is pivoted from a first operable position to a pre-determined kickdown position. As the roller (60) engages the lobe (74), the pedal force required to further pivot the pedal arm (16) is increased imparting a kickdown feel to the driver via the pedal pad (14).
    • 用于电子控制车辆发动机节气门的加速器踏板组件(12)包括壳体(18),相对于壳体(18)枢转地支撑的踏板臂(16)和连接到下端的踏板垫 (20)的踏板臂(16)。 当踏板力施加到踏板垫(14)时,踏板臂(16)可在空转位置和最大施加位置之间枢转。 在某些条件下,加速器踏板臂(16)能够枢转到通过改变到下一个较低档位使自动变速器(40)下降的位置。 在这种情况下,驾驶员的脚被传给表示发生了降挡的感觉。 为了以线控驱动方式模拟这种感觉,踏板臂(16)具有用于与弹簧(50)相互作用的凸轮表面(48),弹簧(50)具有坐在壳体(18)内的第一端(52) 可移动的第二端(54),用于与踏板臂(16)偏置接合。 弹簧(50)包括安装在第二端(54)上的辊(60),当所述踏板臂(16)从第一可操作的位置枢转时,所述辊(60)被迫与所述凸轮表面(48)上的凸角(74)接触 位置到预定的下降位置。 随着滚轮(60)接合凸角(74),增加踏板臂(16)进一步枢转所需的踏板力被增加,从而经由踏板垫(14)向驾驶员施加踏板感觉。
    • 6. 发明授权
    • Single lever shift assembly for an electronically controlled transmission
    • 用于电子控制传动的单杆换档组件
    • US06382045B1
    • 2002-05-07
    • US09658882
    • 2000-09-11
    • Douglas J. Wheeler
    • Douglas J. Wheeler
    • F16H6338
    • F16H61/24F16H59/105F16H59/70Y10T74/2003Y10T74/20122Y10T74/20128Y10T74/20146Y10T74/20636
    • An assembly for shifting gear positions (10 and 110) in an electronically controlled transmission including a single lever control for moving between various gear positions. The assembly includes a shift lever (118) mounted to either a column support (14) or a base (112). The shift lever (118) either moves a detent finger (38) between a plurality of gear positions or moves a plurality of detent valleys (26) of a detent housing (20) into contact with a detent finger mechanism (22). The distal end (36) of the detent finger (38) includes a magnet (32) for generating a magnetic field. The detent valleys (26 and 126) represent each gear position and a Hall effect sensor (30) is disposed in the predetermined depth of each detent valley (26 and 126). The sensor (30) is activated by the magnetic field generated by the magnet (32) attached to the distal end (36) of the detent finger (38). In response, the sensor (30) generates an output voltage to a control module. The control module verifies the accuracy of the output voltage and signals the electronically controlled transmission to change gear positions. The assembly provides the feel of locking the shift lever (118) into a gear position through use of the detent valleys (26 and 126) while using a minimal amount of components.
    • 一种用于在电子控制变速器中移动档位(10和110)的组件,其包括用于在各种档位之间移动的单个杆控制。 组件包括安装到柱支撑件(14)或基座(112)上的变速杆(118)。 变速杆(118)使止动指(38)移动到多个齿轮位置之间,或者使制动器壳体(20)的多个止动凹槽(26)移动与制动器手指机构(22)接触。 止动指(38)的远端(36)包括用于产生磁场的磁体(32)。 止动谷(26和126)表示每个齿轮位置,并且霍尔效应传感器(30)设置在每个制动谷(26和126)的预定深度。 传感器(30)由附接到止动指(38)的远端(36)的磁体(32)产生的磁场激活。 作为响应,传感器(30)向控制模块产生输出电压。 控制模块验证输出电压的精度,并向电子控制变速器发出信号以改变档位。 该组件提供通过使用制动谷(26和126)同时使用最少量的部件而将变速杆(118)锁定在档位中的感觉。
    • 7. 发明授权
    • Hydride bed water recovery system for a fuel cell power plant
    • 用于燃料电池发电厂的氢化物床水回收系统
    • US06277509B1
    • 2001-08-21
    • US09290132
    • 1999-04-12
    • Douglas J. Wheeler
    • Douglas J. Wheeler
    • H02M806
    • H01M8/065C01B3/0005H01M8/04029H01M8/04156H01M8/0612H01M8/0662Y02E60/324
    • The invention is a hydride bed water recovery system for a fuel cell power plant that has at least one fuel cell having an electrolyte between anode and cathode electrodes for producing an electric current from a reducing fluid and an oxidant stream. A coolant loop directs a coolant fluid from a coolant reservoir through a coolant passage to the fuel cell and back to the reservoir. A process exhaust passage receives a cathode exhaust stream from the fuel cell and directs the stream away from the fuel cell and into a hydride bed cooler that passes the stream in heat exchange relationship with a condensing hydride bed of the cooler so that the bed cools the process exhaust stream to condense water out of the stream. In a preferred embodiment, the hydride bed cooler is a two-pair hydride bed cooler that includes a first pair and a second pair of hydride beds, and each pair includes a high temperature hydride bed, and a low temperature hydride bed so that each pair of hydride beds operates in alternating regeneration and cooling modes.
    • 本发明是用于燃料电池发电厂的氢化物床水回收系统,其具有至少一个在阳极和阴极之间具有电解质的燃料电池,用于从还原流体和氧化剂流产生电流。 冷却剂回路将来自冷却剂储存器的冷却剂流体通过冷却剂通道引导到燃料电池并返回到储存器。 工艺废气通道接收来自燃料电池的阴极废气流,并引导物流离开燃料电池并进入氢化物床冷却器,其与冷却器的冷凝氢化物床以热交换关系通过物流,使得床冷却 处理废气流将水从水中冷凝。 在优选实施例中,氢化物床冷却器是两对氢化物床冷却器,其包括第一对和第二对氢化物床,并且每对包括高温氢化物床和低温氢化物床,使得每对 的氢化床在交替的再生和冷却模式下工作。
    • 8. 发明授权
    • Start up of proton exchange membrane fuel cell
    • 启动质子交换膜燃料电池
    • US6127056A
    • 2000-10-03
    • US169405
    • 1998-10-09
    • Douglas J. WheelerLeonard J. Bonville
    • Douglas J. WheelerLeonard J. Bonville
    • H01M8/04
    • H01M8/04007H01M2300/0082H01M8/04022H01M8/04223
    • A proton exchange membrane fuel cell has a noble metal or noble metal alloy catalyst 15 disposed in its air inlet manifold 13. During start up, a fuel cell is warmed to operating temperature by introducing a small amount of hydrogen into a flow of air to the air inlet 12 of the fuel cell where they react with the catalyst to produce heat at subflame temperatures. The adiabatic temperature rise of the gas stream is limited to about 150.degree. F. by limiting the hydrogen to about one volume percent of the fuel/oxidant mixture, thereby to be capable of raising the fuel cell temperature, for instance, from -40.degree. C. (-40.degree. F.) to about +45.degree. C. (+113.degree. F.), without flame, explosion or drying out of the membrane.
    • 质子交换膜燃料电池具有设置在其空气入口歧管13中的贵金属或贵金属合金催化剂15.在启动期间,通过将少量的氢气引入到空气流中来将燃料电池温热至工作温度 燃料电池的空气入口12,其与催化剂反应以在亚燃烧温度下产生热量。 通过将氢气限制为约1体积%的燃料/氧化剂混合物,气流的绝热温度上限被限制在约150°F,从而能够提高燃料电池温度,例如从-40℃ (-40°F)至约+45°C(+ 113°F),无火焰,爆炸或干燥出膜。
    • 9. 发明授权
    • Helical cable actuator for shift by wire system
    • 螺旋电缆执行器用于通过线系统进行换档
    • US6016717A
    • 2000-01-25
    • US80429
    • 1998-05-18
    • Douglas J. Wheeler
    • Douglas J. Wheeler
    • B60K20/00F16H59/10F16H61/26F16H61/28F16H61/32F16H61/36F16H59/00
    • F16H61/26F16H61/32F16H2061/326F16H59/10F16H61/36Y10T74/19251Y10T74/2003Y10T74/20049Y10T74/20456
    • An electric shift apparatus (10) for shifting a vehicle transmission assembly (12) includes a mounting structure (20) adapted to be mounted to a transmission housing (22), an electric motor (24) supported by the mounting structure (20), and a drive assembly (26) operably driven by the electric motor (24). The apparatus (10) further includes a core element (28) movably supported by the mounting structure (20) and a guide (30) for guiding the core element (28). A terminal (32) is slidably disposed in the guide (30) and connected to the core element (28). A shift lever (34) is movable between a plurality of shift positions and connected to the terminal (32) for shifting a transmission. The apparatus (10) is characterized by the core element (28) comprising a helical cable (36) which is driven by the drive assembly (26) for linear actuation of the shift lever (34). The helical cable (36) is comprised of a filamentous member (38) and a core member (40) that defines a longitudinal axis (42). The filamentous member (38) is wound in spaced convolutions to define tooth-like members (44). The tooth-like members (44) are spaced apart from one another along the core element (38) and are in driven engagement with the drive assembly (26).
    • 一种用于移动车辆传动组件(12)的电动换档装置(10)包括适于安装到变速器壳体(22)的安装结构(20),由所述安装结构(20)支撑的电动机(24) 以及由电动机(24)可操作地驱动的驱动组件(26)。 所述装置(10)还包括由所述安装结构(20)可移动地支撑的芯元件(28)和用于引导所述芯元件(28)的引导件(30)。 端子(32)可滑动地设置在引导件(30)中并连接到芯元件(28)。 变速杆(34)可在多个换档位置之间移动,并连接到终端(32),用于换档。 所述装置(10)的特征在于,所述芯元件(28)包括由驱动组件(26)驱动的用于变速杆(34)的线性驱动的螺旋电缆(36)。 螺旋电缆(36)由限定纵向轴线(42)的丝状构件(38)和芯构件(40)组成。 丝状构件(38)以分开的卷积缠绕以限定齿状构件(44)。 齿状构件(44)沿着芯元件(38)彼此间隔开并且与驱动组件(26)驱动接合。