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.

Date of Patent:
Oct. 03, 1989

Filed:

Aug. 18, 1988
Applicant:
Inventors:

Terumaru Harada, Moriguchi, JP;

Kenichi Inoda, Hirakata, JP;

Tatsuo Fujita, Hirakata, JP;

Kinichi Adachi, Takarazuka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F11B / ; F02G / ;
U.S. Cl.
CPC ...
60520 ; 92 38 ; 92 83 ;
Abstract

In a sealing mechanism for a reciprocation apparatus for use in a cycle engine having a reciprocation member (108), such as Stirling engine, oil or a fluid is enclosed in a fluid room constituted by a pair of flexible partioning members (112, 113) such as diaphragms or multiple bellows and side walls (111a, 111b) of a cylinder (111) or the like, and the fluid room is divided in two parts (114, 115) by a pressure-resistive sealing member (116) fixed to inside wall of a rigid partion wall (111f) to roughly seal the fluid allowing sliding motions of the reciprocating member therein.


Find Patent Forward Citations

Harada, Terumaru. (1989). Reciprocation apparatus with sealing mechanism (U.S. Patent No. 4870821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4870821

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

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