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    • 3. 发明授权
    • Self-energizing splines for a synchronizer
    • 用于同步器的自增力花键
    • US5065855A
    • 1991-11-19
    • US632882
    • 1990-12-24
    • Richard A. Nellums
    • Richard A. Nellums
    • F16D23/06
    • F16D23/0606F16D2023/065F16D2023/0656
    • A pin-type, double-acting synchronizer mechanism (22) includes friction clutches (24,36 and 26,38), jaw clutches (28,14b,16b), self-energizing ramps, (13f,13g,13h,13i and 29e,29f,29g,29h), and springs (33) to limit the maximum self-energizing or additive force provided by the ramps. The ramps act between a shaft (12) and clutch member (28). A shift flange (32) is rotatably fixed to the clutch member (28) by splines (32a,30) which allow relative axial movement against the force of the springs (33). The clutch member (28) and the shaft (12) include mating splines (29,13) divided into spline portions (29a,29b,29c,29d and 13a,13b,13c,13d,13e) to define the ramps to control limited relative rotation between the jaw clutch (28) and shaft (12), and to provide surface area and structural strength for transmitting full torque between the shaft and gears.
    • 销型双作用同步器机构(22)包括摩擦离合器(24,36和26,38),爪式离合器(28,14b,16b),自增力斜面,(13f,13g,13h,13i和 29e,29f,29g,29h)和弹簧(33),以限制由斜坡提供的最大自增力或附加力。 斜面在轴(12)和离合器构件(28)之间作用。 换档凸缘(32)通过花键(32a,30)可旋转地固定到离合器构件(28),其允许抵抗弹簧(33)的力的相对轴向运动。 离合器构件(28)和轴(12)包括被分成花键部分(29a,29b,29c,29d和13a,13b,13c,13d,13e)的配合花键(29,13),以限定坡道以控制有限 颚式离合器(28)和轴(12)之间的相对旋转,并且提供用于在轴和齿轮之间传递全扭矩的表面积和结构强度。
    • 4. 发明授权
    • Fluid flowmeter
    • 流体流量计
    • US4164144A
    • 1979-08-14
    • US845751
    • 1977-10-26
    • Hermann KaiserRichard A. NellumsJerry A. Olson
    • Hermann KaiserRichard A. NellumsJerry A. Olson
    • G01F1/36G01F1/32G01F1/34G01F1/42G01F1/44
    • G01F1/34G01F1/3236
    • A low pressure drop air flowmeter for an automotive engine is disclosed. The meter includes a main air flow passage, a relatively small venturi tube receiving a portion of the air flow, a pressure port for sensing stagnation pressure in the main passage, a pressure port for sensing static pressure in the throat of the venturi, and a set of stationary swirl vanes disposed adjacent the outlet of the venturi and operative to impart a swirl to the remainder of the air in the main passage, thereby creating a reduced pressure at the venturi outlet for amplifying the pressure difference between the stagnation and static pressures without appreciably increasing the pressure drop across the flowmeter. Also disclosed is a solenoid valve having a single valving member operative in one position to communicate the stagnation pressure to an absolute pressure transducer and operative in another position to communicate the static pressure to the transducer.
    • 公开了一种用于汽车发动机的低压降空气流量计。 仪表包括主空气流通道,容纳空气流的一部分的相对较小的文丘里管,用于感测主通道中的停滞压力的压力端口,用于感测文丘里管喉部静压的压力端口,以及 一组固定涡流叶片设置在文丘里管的出口附近并且可操作地向主通道中的空气的其余部分施加涡流,从而在文氏管出口处产生减小的压力,用于放大停滞和静压之间的压差,而没有 明显增加流量计上的压降。 还公开了一种电磁阀,其具有在一个位置中操作的单个阀构件,以将停滞压力传递到绝对压力换能器并且在另一位置操作以将静压传递到换能器。
    • 8. 发明授权
    • Synchronizer including radially-moveable, resiliently-biased
self-energizing member
    • 同步器包括可径向移动的,弹性偏置的自增力构件
    • US5901823A
    • 1999-05-11
    • US908087
    • 1997-08-11
    • Richard A. Nellums
    • Richard A. Nellums
    • F16H3/12F16D23/06
    • F16D23/0606Y10T74/19284
    • A pin-type, double-acting synchronizer (10) with friction rings (22, 36 and 24, 38), jaw members (30, 26, 28), three circumferentially spaced pins (40)including blocker shoulders for preventing asynchronous engagement of the jaw members, pre-energizer assemblies (42) to ensure initial engagement of the friction rings and blocker shoulders in response to initial engaging movement of a shift flange (32), and self-energizing cams (32f, 32g, 20e, 20f) producing an additive axial force (F.sub.a) in response to either of the cams (32f, 32g) moving a rigid link (48) radially inward against either of the cams (20e, 20f). In a modified embodiment the links (48) are replaced by spring capsules (60) which limit the maximum additive force (F.sub.a).
    • 一种具有摩擦环(22,36和24,38),钳口构件(30,26,28)的销式双作用同步器(10),三个周向间隔开的销(40),包括用于防止异步接合的阻塞肩 钳夹构件,预加力组件(42),以确保响应于换挡凸缘(32)和自增力凸轮(32f,32g,20e,20f)的初始接合运动而摩擦环和阻挡肩的初始接合, 响应于刚性连杆(48)径向向内移动抵靠任何一个凸轮(20e,20f)的任一个凸轮(32f,32g)产生附加轴向力(Fa)。 在改进的实施例中,链节(48)由限制最大附加力(Fa)的弹簧胶囊(60)代替。
    • 9. 发明授权
    • Self-energizing synchronizer including force limiting
    • 自激同步器包括力限制
    • US5957257A
    • 1999-09-28
    • US908090
    • 1997-08-11
    • Richard A. Nellums
    • Richard A. Nellums
    • F16H3/12F16D23/06
    • F16D23/0606F16D2023/0656Y10T74/19284
    • A pin-type, double acting synchronizer (18) with friction clutches (22,36 and 24,38), jaw clutches (26,30 and 28,31), a shift flange (32), self-energizing ramps (21a-21d) affixed to a shaft (12), and self-energizing ramps (45a-45d) affixed to a self-energizer member (34). Engagement of the ramps provides an additive axial force (F.sub.a) for increasing the engagement force of the friction clutches. The member (34) is secured for sliding movement with the flange and jaw members (30,31). The member (34) is resiliently connected for rotation with the flange by force limiting detent assemblies (50) until synchronizing torque reaches a predetermined amount. When the predetermined torque is reached, the force limiting assemblies allow the flange to rotate and engage stops (32h) for directing all torque in excess of the predetermined amount to the shaft in parallel with the self-energizing ramps.
    • 一种具有摩擦离合器(22,36和24,38),爪式离合器(26,30和28,31),换档凸缘(32),自增力斜面(21a- 21d)固定到轴(12)上,以及自增力斜坡(45a-45d)固定在自增力构件(34)上。 坡道的接合提供了用于增加摩擦离合器的接合力的附加轴向力(Fa)。 构件(34)被固定以与凸缘和钳口构件(30,31)滑动运动。 构件(34)通过力限制制动组件(50)弹性连接以与法兰一起旋转,直到同步扭矩达到预定量。 当达到预定扭矩时,力限制组件允许凸缘旋转并且接合止动件(32h),用于将与预定扭矩超过预定量的所有转矩平行于自增力斜坡引导到轴上。