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:
Mar. 18, 2008

Filed:

Mar. 07, 2006
Applicants:

Yoshitake Sakai, Toki, JP;

Osamu Sato, Minokamo, JP;

Inventors:

Yoshitake Sakai, Toki, JP;

Osamu Sato, Minokamo, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F15B 11/08 (2006.01); B66F 9/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A filter-integrated orifice element is provided which can reduce manufacturing costs and assembling costs in a hydraulic circuit for which size reduction is desirable. A filter-integrated orifice element is obtained by integrating a filter for removing an obstacle which could block an orifice with an orifice member. The filter-integrated orifice element may be used in a slow return valve in a hydraulic circuit.


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