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:
Aug. 31, 2021
Filed:
Jul. 03, 2017
Applicant:
Vtec Co., Ltd., Busan, KR;
Inventor:
Ho-Young Cho, Seoul, KR;
Assignee:
VTEC CO., LTD., Busan, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/42 (2006.01); F04F 5/20 (2006.01); F04F 5/42 (2006.01); F04F 5/44 (2006.01); F04F 5/46 (2006.01); F04F 5/52 (2006.01); F04F 5/54 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0068 (2013.01); B01D 46/0005 (2013.01); F04F 5/20 (2013.01); F04F 5/44 (2013.01); F04F 5/54 (2013.01); F05B 2260/601 (2013.01);
Abstract
Disclosed is a compact vacuum pump including a housing having an internal vacuum chamber, an ejector pump axially mounted in the vacuum chamber, and an air filter coaxially mounted on the ejector pump. The housing has two separate compressed air supply lines one of which is a vacuum creation line extending to the inlet port of the ejector pump via a first supply line and the other of which is a vacuum release line extending to a gap between the ejector pump and the air filter via a second supply line. The vacuum pump is of a coaxial arrangement type and has a vacuum release function and a filter cleaning function.