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. 04, 2013
Filed:
Nov. 09, 2010
Applicants:
Yasuo Takahashi, Mito, JP;
Takanori Shibata, Hitachinaka, JP;
Hidefumi Araki, Hitachi, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01K 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heat pump includes an evaporatorevaporating water; a steam compressorcompressing the vapor generated by the evaporator; a vapor supply ductadapted to supply the vaporcompressed by the compressorto steam-utilizing facility; a measuring devicefor measuring a state of vapor between the evaporatorand the compressor; and a valveadjusting an amount of vapor flowing in the compressorbased on information from the measuring device