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1. 发明授权

US4809957A Level control arrangement for vehicles having air springs 失效
标题翻译：具有空气弹簧的车辆的液位控制装置
公开(公告)号：US4809957A
公开(公告)日：1989-03-07
申请号：US935449
申请日：1986-11-26
申请人： Karl-Heinrich Schonfeld , Wolfgang Kaltenthaler , Volker Meyer , Jorg Vanselow
发明人： Karl-Heinrich Schonfeld , Wolfgang Kaltenthaler , Volker Meyer , Jorg Vanselow
IPC分类号： B60G17/04 , B60G17/052 , B60G11/26 , F16F5/00
CPC分类号： B60G17/0523 , B60G17/0408 , B60G2202/152 , B60G2500/20 , B60G2500/2012
摘要： A level control system for motor vehicles having pneumatic springs which function in accordance with the vehicle load. A specified distance is normally maintained between the vehicle body the vehicle axle. This distance is maintained by charging or discharging the pneumatic springs. The level control system includes an air dryer and a pneumatic relay type of controllable discharge valve having a relatively large cross-sectional port by which the air dryer is connected to the atmosphere. The discharge valve operates against a spring return force. The magnitude of the spring return force corresponds to a preselected minimum pneumatic spring pressure. The system counteracts an icing action of the discharge valve and prevents an unintentional and complete discharging of the pneumatic springs.
摘要翻译：一种具有根据车辆载荷起作用的气动弹簧的机动车辆的液位控制系统。在车身车身之间通常保持指定的距离。通过充气或排出气动弹簧来维持该距离。液位控制系统包括空气干燥器和气动继电器型可控排气阀，其具有相对大的横截面端口，空气干燥器通过该相对较大的横截面端口连接到大气。排出阀抵抗弹簧复位力而起作用。弹簧复位力的大小对应于预选的最小气动弹簧压力。该系统抵消排出阀的结冰作用，并防止气动弹簧的无意和完全排放。

2. 发明授权

US5114315A Clutch control system for an air compressor 失效
标题翻译：空气压缩机离合器控制系统
公开(公告)号：US5114315A
公开(公告)日：1992-05-19
申请号：US487759
申请日：1990-03-01
申请人： Wolfgang Kaltenthaler , Karl-Heinrich Schonfeld
发明人： Wolfgang Kaltenthaler , Karl-Heinrich Schonfeld
IPC分类号： B60T17/00 , B60T17/02 , F04B49/02 , F04C28/06
CPC分类号： F04C28/06 , B60T17/006 , B60T17/02 , F04B49/022
摘要： An apparatus for the generation of compressed air is disclosed, where the supply of air from the compressor (1) to the user (6) is interrupted in case of preset user-side pressure. This apparatus prevents a freezing in case of low ambient temperatures in the pressure lines in which condensed water has formed. A temperature sensitive switching device (14, 29) responds to the actual ambient temperature. The switching device (14) does not stop the compressor (1) in case of a preset user-side pressure and in case of a falling below of a preset ambient temperature. The compressor (1) carries then the warmed-up air through a region of the device before discharging it into the surrounding atmosphere. The device is particularly suited for compressed-air generation plants in motor vehicles which are adapted to be used in cases of low ambient temperatures.
摘要翻译：公开了一种用于产生压缩空气的装置，其中在预设的用户侧压力的情况下，从压缩机（1）向用户（6）供应的空气被中断。该装置在形成冷凝水的压力线中防止在环境温度低的情况下的冷冻。温度敏感开关装置（14,29）响应实际环境温度。在预设的用户侧压力的情况下，并且在低于预设的环境温度的情况下，开关装置（14）不会停止压缩机（1）。压缩机（1）在将其排放到周围大气中之前，将加热的空气通过该装置的区域。该装置特别适用于机动车辆中适用于低环境温度情况下的压缩空气发生装置。

3. 发明授权

US4756548A Level control arrangement for vehicles having air springs 失效
标题翻译：具有空气弹簧的车辆的液位控制装置
公开(公告)号：US4756548A
公开(公告)日：1988-07-12
申请号：US917571
申请日：1986-10-10
申请人： Wolfgang Kaltenthaler , Karl-Heinrich Schonfeld
发明人： Wolfgang Kaltenthaler , Karl-Heinrich Schonfeld
IPC分类号： F16F9/02 , B60G17/015 , B60G17/04 , B60G17/052 , B60G13/06 , B60G9/00 , B60G11/26
CPC分类号： B60G17/0155 , B60G17/0523
摘要： A level control arrangement for motor vehicles having air springs which are functionally responsive to the vehicle load. A predetermined distance of the vehicle frame from the vehicle axis can be maintained by charging or discharging the air springs. The control arrangement includes a safety valve which can be controlled by the pressure in the air springs. When the vehicle is overloaded, or if a malfunction occurs in the control apparatus of the level control arrangement, the safety valve limits the pressure in the air springs to a preselected maximum safe pressure.
摘要翻译：一种具有空气弹簧的机动车辆的液位控制装置，其具有对车辆载荷的功能响应。可以通过对空气弹簧进行充放电来保持车架与车辆轴线的预定距离。该控制装置包括可由空气弹簧中的压力控制的安全阀。当车辆过载时，或者在液位控制装置的控制装置中发生故障时，安全阀将空气弹簧中的压力限制在预选的最大安全压力。

4. 发明授权

US5472227A Device to control the trailing axle of a vehicle 失效
标题翻译：用于控制车辆尾轴的装置
公开(公告)号：US5472227A
公开(公告)日：1995-12-05
申请号：US248648
申请日：1994-05-24
申请人： Karl-Heinrich Schonfeld , Hartmut Geiger
发明人： Karl-Heinrich Schonfeld , Hartmut Geiger
IPC分类号： B60G99/00 , B60G17/015 , B60G17/052 , B62D61/12 , B60G17/00
CPC分类号： B60G17/0155 , B60G17/0523 , B62D61/12 , B60G2202/152 , B60G2202/412 , B60G2500/20 , B60G2500/30 , Y10S280/01
摘要： The inventive device controls the trailing axle of a vehicle having at least two rear axles, wherein at least one rear axle is a driving axle. Pressure fluid chambers, mounted on both the driving and trailing axles, support the vehicle structure. Their pressure is varied to raise or lower the vehicle structure depending on the vehicle load and road conditions. The inventive device further comprises a first valve arrangement and a second valve arrangement. The first valve arrangement selectively connects the pressure fluid chambers of the driving axle to a compressed-air supply, to a pressure fluid sink, or isolates them. The first valve arrangement has a first and a second valve. The first valve is a 3/2-position valve actuated by a first solenoid. The second valve of the first valve arrangement is a 2/2-position valve actuated by a second solenoid. The second valve arrangement is a 3-position valve actuated by a third solenoid. The 3-position valve is controlled by cooperation of the third solenoid and a control pressure. This selectively connects the pressure fluid chambers of the trailing axle to the pressure fluid chamber of the driving axle, or to the pressure fluid sink. Alternatively, the 3-position valve isolates the trailing axle pressure fluid chambers. The control pressure is taken from the pressure fluid output of the first valve.
摘要翻译：本发明的装置控制具有至少两个后轴的车辆的后轴，其中至少一个后轴是驱动轴。安装在驱动轴和后轴上的压力流体室支撑车辆结构。它们的压力根据车辆载荷和路况而变化，以提高或降低车辆结构。本发明的装置还包括第一阀装置和第二阀装置。第一阀装置将驱动轴的压力流体室选择性地连接到压缩空气源，压力流体槽，或将其隔离。第一阀装置具有第一和第二阀。第一阀是由第一螺线管驱动的三位二通阀。第一阀装置的第二阀是由第二螺线管致动的二位/二位阀。第二阀装置是由第三螺线管致动的3位阀。 3位阀由第三螺线管和控制压力协调控制。这选择性地将拖尾轴的压力流体室连接到驱动轴的压力流体室或压力流体槽。或者，3位阀隔离后轴压力流体室。控制压力取自第一阀的压力流体输出。

5. 发明授权

US5860800A Compressor cylinder head having a partition 失效
标题翻译：具有隔板的压缩机气缸盖
公开(公告)号：US5860800A
公开(公告)日：1999-01-19
申请号：US542344
申请日：1995-10-12
申请人： Manfred Kramer , Heinrich Schlossarczyk , Karl-Heinrich Schonfeld
发明人： Manfred Kramer , Heinrich Schlossarczyk , Karl-Heinrich Schonfeld
IPC分类号： F04B39/00 , F04B39/06 , F04B39/10
CPC分类号： F04B39/06 , F04B39/0055
摘要： A compressor with a cylinder head (33, 29) comprises a lower cylinder head section (33) and an upper cylinder head section (29) connected to each other. A seal (12) is provided between the faces of the lower cylinder head section (33) and the upper cylinder head section (29) facing each other. A suction space (31, 25) and a pressure space (10, 17) as well as a suction valve (32, 4) and a pressure valve (5, 7) are installed in the cylinder head (33, 29). A compression space (3) of the compressor is connected by the suction valve (32, 4) to the suction space (31, 25), and by the pressure valve (5, 7) to the pressure space (10, 17). The suction space (31, 25) is also connected by a suction connection (71) to the atmosphere, and the pressure space (10, 17) is connected to a consumer by a pressure connection (18) to a source of pressure. In order to achieve efficient transfer of heat in the cylinder head (33, 29), a wall-like part (76), made of a material with good heat transferring properties, is provided at least in the pressure space (10, 17) to subdivide the pressure space (10, 17) of the cylinder head (33, 29) into a first pressure chamber (10) and a second pressure chamber (17). The first pressure chamber (10) and the second pressure chamber (17) are connected to each other by a passage opening (77) located in the wall-like part (76). Desirably, the suction space (31,15) is subdivided into first and second suction chambers (31,15) by a U-shaped part (79,80) having a second passage opening (78).
摘要翻译：具有气缸盖（33,29）的压缩机包括彼此连接的下气缸盖部分（33）和上气缸盖部分（29）。在下气缸盖部分（33）和上气缸盖部分（29）的彼此面对的面之间设置有密封件（12）。在气缸盖（33,29）中安装有吸入空间（31,25）和压力空间（10,17）以及吸入阀（32,4）和压力阀（5,7）。压缩机的压缩空间（3）通过吸入阀（32,4）连接到吸入空间（31,25），并通过压力阀（5,7）连接到压力空间（10,17）。吸入空间（31,25）也通过吸入连接（71）连接到大气，并且压力空间（10,17）通过压力连接（18）连接到消费者到压力源。为了在气缸盖（33,29）中实现有效的热传递，至少在压力空间（10,17）中设置有由具有良好传热特性的材料制成的壁状部件（76）以将气缸盖（33,29）的压力空间（10,17）细分成第一压力室（10）和第二压力室（17）。第一压力室（10）和第二压力室（17）通过位于壁状部分（76）中的通道开口（77）彼此连接。理想地，吸入空间（31,15）通过具有第二通道开口（78）的U形部分（79,80）被细分成第一和第二吸入室（31,15）。

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