公开(公告)号：US3715114A

公开(公告)日：1973-02-06

申请号：US3715114D

申请日：1971-10-07

Applicant: GEN MOTORS CORP

Inventor： THORSBY C ,  WHITE R

IPC: B60R19/32 ,  B61F19/02 ,  B61F19/04 ,  F16F9/30

CPC classification number: B60R19/32

Abstract: An energy absorbing support unit for an automobile bumper bar, the support unit including a pair of telescopically related tube members adapted for disposition between the bumper bar and the vehicle chassis, an orificed piston rigidly attached to one tube member and adapted to effect throttled flow of an incompressible medium situated in a chamber in the other tube member to effect energy absorption, a free piston slidably mounted in the one tube member and resiliently biased toward a normal position corresponding to a fully extended position of the one tube member, the free piston urging reverse flow of the incompressible medium to provide a self-restoring preload on the one tube member, and a reciprocating valve member on the free piston movable between an open position and a closed position partially obstructing the piston orifices to increase the rate of energy absorption. The free piston, in the normal position thereof, engages the valve member to positively locate the latter in the open position whenever the one tube member is in its fully extended position.

Abstract translation: 一种用于汽车保险杠杆的能量吸收支撑单元，所述支撑单元包括适于配置在所述保险杠杆和所述车辆底盘之间的一对可伸缩相关的管构件，刚性地连接到一个管构件并适于实现节流的 一个不可压缩的介质，位于另一个管件中的腔室中以实现能量吸收;一个可滑动地安装在一个管件中的自由活塞，弹性偏压到一个对应于一个管件的完全伸出位置的法向位置， 不可压缩介质的反向流动以在一个管构件上提供自恢复预载荷，以及在自由活塞上的往复阀构件，其可在打开位置和闭合位置之间移动，从而部分地阻塞活塞孔以增加能量吸收率。 无论何时一个管件处于其完全伸出位置，自由活塞在其正常位置处接合阀构件，以将阀门主体定位在打开位置。

公开(公告)号：US3752498A

公开(公告)日：1973-08-14

申请号：US3752498D

申请日：1971-10-07

Applicant: GEN MOTORS CORP

Inventor： SHEA J ,  THORSBY C ,  WESTERCAMP K

IPC: B60G5/04 ,  B60G15/12 ,  B60G17/04 ,  B60G21/045

CPC classification number: B60G5/04 ,  B60G15/12 ,  B60G17/04 ,  B60G21/045

Abstract: In preferred form, a vehicle suspension device including a gas spring formed in part by an oil-filled, variable volume oil reservoir for a shock absorber. The device includes a hollow piston that reciprocates into and out of a shock absorber pressure cylinder in response to normal road movements. A spool divides the hollow piston into an oil charging chamber and an oil pressure chamber and the oil pressure chamber is connected to an external source of oil pressure which is selectively communicated with the inner cylinder to change the position of the spool axially therein thereby to change the amount of oil within the oil filled reservoir of the shock absorber to change the gas spring pressure in accordance with changes of vehicle loading thereby to maintain a predetermined height relationship between the sprung and unsprung mass of the vehicle.

Abstract translation: 在优选形式中，一种车辆悬架装置，包括由用于减震器的充油变量容积储油器部分地形成的气弹簧。 该装置包括响应于正常道路运动而往复运动到减震器压力缸的中空活塞。 一个阀芯将空心活塞分成一个充油室和一个油压室，油压室连接到一个外部的油压源上，该外部油源与内筒选择性地连通，从而使阀芯在轴向上的位置改变，从而改变 在缓冲器的充满油的储存器内的油量根据车辆载荷的变化改变气弹簧的压力，从而保持车辆的悬挂质量和非簧载质量之间的预定的高度关系。