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.:

US 8127731 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 06, 2012

Filed:

Oct. 31, 2008
Applicants:

Chien-hung Lai, Renwu Shiang, TW;

Chao-chang Ho, Fongshan, TW;

Inventors:

Chien-Hung Lai, Renwu Shiang, TW;

Chao-Chang Ho, Fongshan, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/10 (2006.01); F01L 1/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

This invention is to provide a tappet clearance adjusting cover coupled with a secondary air valve. The tappet clearance adjusting cover is disposed on a cylinder head of an engine. The secondary air valve includes a recessed element and a cap which jointly form a receiving space receiving therein a one-way valve. The recessed element is provided with an inlet pipe interposed between the cap and the tappet clearance adjusting cover. By disposing the secondary air valve on the tappet clearance adjusting cover and arranging the inlet pipe between the cap and the tappet clearance adjusting cover, with the one-way valve received in the receiving space of the secondary air valve, heat dissipation can be improved while the one-way valve is protected against premature deterioration and carbon deposition caused by a high-temperature exhaust gas from the cylinder head. Thus, reliability as well as a service life of the one-way valve is effectively increased.


Find Patent Forward Citations

Lai, Chien-Hung. (2012). Tappet clearance adjusting cover coupled with secondary air valve (U.S. Patent No. 8127731). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8127731

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…