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:
Mar. 31, 2015
Filed:
Dec. 16, 2008
Applicants:
Mohammod Anwar Hossain, Sakai, JP;
Masanori Masuda, Sakai, JP;
Kaname Ohtsuka, Sakai, JP;
Inventors:
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 18/52 (2006.01); F01C 17/02 (2006.01); F04C 23/00 (2006.01); F04C 18/16 (2006.01); F04C 29/12 (2006.01); F04C 27/00 (2006.01);
U.S. Cl.
CPC ...
F04C 18/52 (2013.01); F01C 17/02 (2013.01); F04C 23/001 (2013.01); F04C 27/004 (2013.01); F04C 18/16 (2013.01); F04C 27/007 (2013.01); F04C 29/124 (2013.01); F04C 2240/52 (2013.01); F04C 2240/603 (2013.01);
Abstract
A screw compressor includes a rotatable screw rotor and a plurality of gate rotors. The screw rotor has helical grooves formed in an outer circumferential surface of the screw rotor. The gate rotors have a plurality of radially disposed teeth meshing with the grooves of the screw rotor. The helical grooves include a first screw groove and a second screw groove. The first screw groove compresses a fluid from one end side of the screw rotor to an other end side of the screw rotor. The second screw groove compresses the fluid from the other end side of the screw rotor to the one end side of the screw rotor.