The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 1984
Filed:
Mar. 04, 1981
Applicant:
Inventors:
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9055 ; 123 9046 ; 123 9043 ;
Abstract
An hydraulic lash adjuster of the type used in the valve trains of internal combustion engines in order to take up the lash for operating clearance includes a cylindrical body member, a plunger member having a reservoir chamber therein being slidably mounted in the body member to define a pressure chamber therebetween, passage means between the reservoir chamber and the pressure chamber controlled by a one-way valve and a floating member disposed on the surface of the hydraulic fluid contained in said reservoir chamber to prevent air from being absorbed into the hydraulic fluid during the operation of the engine.