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:
Dec. 20, 2022

Filed:

Dec. 01, 2021
Applicant:

Smc Corporation, Tokyo, JP;

Inventors:

Toru Nakayama, Soka, JP;

Koji Sugano, Koshigaya, JP;

Yasuhiro Ushijima, Joso, JP;

Assignee:

SMC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/122 (2006.01); F04F 5/52 (2006.01); F04F 5/20 (2006.01); F04F 5/44 (2006.01);
U.S. Cl.
CPC ...
F16K 31/1223 (2013.01); F04F 5/20 (2013.01); F04F 5/52 (2013.01); F16K 31/1221 (2013.01); F04F 5/44 (2013.01);
Abstract

In a vacuum ejector provided with a seal valve mechanism between a vacuum generation mechanism and a break flow path, the seal valve mechanism includes a valve plug that is biased toward a sealing opening from the break flow path side to block the seal opening, and is configured to open the seal opening by moving the valve plug away from the seal opening using a piston portion that operates according to supply air supplied from the vacuum generation mechanism.


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