Housing for a valve actuating push rod

Details Housing for a valve actuating push rod Housing for a valve actuating push rod

F - Mech Eng,Light,Heat,Weapons

01

L

123/183, 171/80

F01L 3/00 (2006.01) F01L 1/46 (2006.01)

Patent

CA 1255607

ABSTRACT OF THE DISCLOSURE A housing is proposed for a valve actuating push rod with a protective tube enclosing the push rod, one end of the tube being adapted to be inserted into an aperture in the crankcase and the other end into an aperture in the cylinder head or rocker arm housing of an internal combustion engine, the tube being adapted to be sealed in the apertures by means of O-rings, each O-ring being arranged for the purpose of sealing one end of protective tube, in a space of substantially trapezoidal or rectangular cross- section formed by a groove, provided in protective tube, and a groove provided in the aperture in the crankcase or in the cylinder head or in the rocker arm housing, the grooves unit- ing to produce an O-ring groove of standard depth. Such arrangement allows the protective tube to be not only sealed but also locked axially in the space, thus eliminating the need for additional retaining elements.

452379

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