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. 30, 2002
Filed:
Apr. 30, 2001
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A helical blade type compressor is comprising a stationary cylindrical body, a closed-ended cylinder eccentrically arranged surrounding the cylindrical body, a helical compression section including a helical blade serving to divide the free space between the closed-ended cylinder and the cylindrical body into a plurality of compression chambers arranged in the axial direction of the cylindrical body, and a rotary shaft serving to eccentrically rotate the cylinder surrounding the cylindrical body, wherein a helical blade groove is formed on the circumferential surface of the cylindrical body and the helical blade is engaged with the helical groove such that an object fluid is moved in the axial direction of the cylindrical body so as to be compressed in accordance with the eccentric rotation of the cylinder.