双滚珠轴承(Dual Ball Bearing或Two Ball Bearing):优点:采用滚动摩擦代替滑动摩擦,摩擦力小,无需润滑油,不存在漏油问题。使用寿命长,反抗老化性能好,适合高转速风扇。缺点:制造成本高,但考虑到防盐雾散热风扇对稳定性和寿命的高要求,这一缺点可以被接受。 液压轴承(Hydraulic Bearing):优点:在含油轴承
The present invention relates to a two chamber support bearing with hydraulic damping, in particular for the engine suspension in motor vehicles, which is at least one liquid-filled working chamber and at least one with this compensation chamber, which is connected through an overflow duct. ...
and serratedflangenuts, which are free spinning but have a serrated bearingsurfacetogripthe matingsurface. Legend: s- size of the hexagon e- the diameter of the circumscribed circle (not less than) m...
(not shown) may be provided to establish a fluid tight seal between the valve body 14 and the yoke section 30. The yoke section 30 includes an annular bearing means 38 for supporting and guiding the lower portion of the valve stem 28. Additional bearings and/or packing material or the ...
本实用新型涉及一种双出轴液压马达. The utility model relates to a double shaft of the hydraulic motor. 一种双出轴液压马达,包括第一输出轴和壳体,所述壳体包括前端支撑和后端支撑,所述第一输出轴位于所述前端支撑一侧,在所述后端支撑一侧设置有与所述第一输出轴前后对称的第二输出轴,所述第一输出轴与所...
A dual-purpose hydraulic machine facilitating switching gravity bearing. The dual-purpose hydraulic machine comprises an upper cross beam (4), a pressing plate mounting sliding block (6), and a top plate mounting sliding block (8). A base (9) is provided on the dual-purpose hydraulic machine...
The invention relates to a dual-chamber support bearing with hydraulic damping, in particular for the engine mount in motor vehicles which comprises at least one fluid-filled working chamber and at least one compensation chamber, connected thereto by an overflow channel. The invention is ...
A downwardly opened upward recess 109a is formed in bearing wall 109, and a detent ball 113 is fitted into recess 109a through a compressed spring 112, so that detent ball 113 can be fitted at a bottom end thereof to one of grooves 116a, 116b and 116c according to the fore-and-...
A dual-mode twin-chamber thrust bearing having hydraulic damping has a working chamber and an equalizing chamber, which are separated by a partition. The chambers are hydraulically connected by a damping channel or optionally by other vibration-damping devices. The partition is provided in its ...
A dual-mode twin-chamber thrust bearing has a work chamber and an equalizing chamber. The chambers are separated by a partition. The partition has passageway in the center that is closable via an actuator, and also has a damping channel that hydraulically connects two chambers. The partition ...