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:
Nov. 12, 1996
Filed:
Mar. 16, 1994
Applicant:
Inventors:
Keiji Kawasaki, Chiryu, JP;
Shinichi Miwa, Tajimi, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K / ; F01L / ; F01L / ;
U.S. Cl.
CPC ...
123 9051 ; 123 9055 ; 74569 ;
Abstract
A hydraulic tappet includes a cam sliding portion, a skirt portion and a spring holding portion. The structure has an arrangement that the cam sliding portion is made of ceramic and oil is reserved in the spring holding portion. There is provide a hydraulic tappet capable of efficiently using motive power from a crank shaft, reducing transmission loss and improving the efficiency of the engine.