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:
Jul. 24, 2018
Filed:
Jan. 19, 2015
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Assignee:
DAIKIN INDUSTRIES, LTD., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 49/00 (2006.01); F25B 43/02 (2006.01); F25B 41/00 (2006.01); F25B 31/00 (2006.01); F04D 29/063 (2006.01); G01F 23/02 (2006.01); F04D 17/12 (2006.01); F04D 25/06 (2006.01); F25B 1/00 (2006.01); F25B 1/053 (2006.01); F25B 9/00 (2006.01); G01F 23/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/063 (2013.01); F04D 17/122 (2013.01); F04D 25/0606 (2013.01); F25B 1/005 (2013.01); F25B 1/053 (2013.01); F25B 9/002 (2013.01); G01F 23/02 (2013.01); F25B 31/002 (2013.01); F25B 2339/024 (2013.01); F25B 2339/047 (2013.01); F25B 2400/13 (2013.01); F25B 2500/16 (2013.01); F25B 2700/03 (2013.01); G01F 23/00 (2013.01);
Abstract
A liquid level indicator including a liquid level calm portion that is provided with a liquid introduction inlet that communicates with a portion below the liquid level in an oil tank and a gas vent that communicates with a portion above the liquid level; and a sight glass for observing a liquid level in the liquid level calm portion, having a liquid introduction tube provided with an extension portion that communicates with the liquid introduction inlet and extends toward the bottom portion of the oil tank, and a distal end portion that communicates with the extension portion and opens in a direction other than the downward direction below the liquid level.