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:
Oct. 17, 2017
Filed:
Dec. 23, 2013
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventor:
Ken Oikawa, Tokyo, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 8/00 (2006.01); F04B 37/08 (2006.01); F04B 37/00 (2006.01); F04B 41/06 (2006.01);
U.S. Cl.
CPC ...
B01D 8/00 (2013.01); F04B 37/00 (2013.01); F04B 37/08 (2013.01); F04B 37/085 (2013.01); F04B 41/06 (2013.01);
Abstract
A cold trap includes a duct, which is for connecting a volume to be evacuated to a vacuum pump, and a cold panel surrounded by the duct. The duct includes an inlet flange at an evacuation target side and an outlet flange at a vacuum pump side. The outlet flange is arranged at a distance from the inlet flange in the extending direction of the duct. The inlet flange has an outer diameter larger than an outer diameter of the outlet flange.