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. 27, 2001
Filed:
Feb. 03, 1998
Applicant:
Inventors:
Masao Teraoka, Tochigi-ken, JP;
Kenji Hiraishi, Tochigi-ken, JP;
Assignee:
Tochigi Fuji Sangyo Kabushiki Kaisha, Tochigi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03C 2/00 ;
U.S. Cl.
CPC ...
F03C 2/00 ;
Abstract
A fluid machine comprises a rotor (,) meshed with each other in concave and convex portions (,) and (,), and a casing (,) enveloping these elements within cylindrical portions (,) of a rotor chamber (,) and having a flow inlet port (,) and a flow outlet port (,). The cylindrical portions (,) are moved to moved centers (,) from standard centers (,) at a predetermined distance L toward the flow inlet port (,), so that the rotor chambers (,) is expanded to cylindrical portions (,) from the cylindrical portions (,).