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:
Jun. 29, 2021
Filed:
Aug. 14, 2018
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventor:
Ken Oikawa, Nishitokyo, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 37/08 (2006.01); F16K 51/02 (2006.01); F16K 3/02 (2006.01); F04B 37/16 (2006.01);
U.S. Cl.
CPC ...
F04B 37/085 (2013.01); F04B 37/08 (2013.01); F04B 37/16 (2013.01); F16K 3/0281 (2013.01); F16K 51/02 (2013.01);
Abstract
A cryopump includes a cryopump flange for attachment to the flange on a gate valve, and an annular baffle that axially extends toward the gate valve from the cryopump flange such that the annular baffle forms an annular orifice in association with a valve plate component of the gate valve. The annular orifice may be defined between an upper surface of the annular baffle and the valve plate.