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. 04, 2000
Filed:
Sep. 09, 1998
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Abstract
A screw compressor to enable prevention of contact between a slide valve and screw rotors. The screw compressor comprising a capacity controlling slide valve 3 provided for advance and (or) retreat through a piston rod 6 by a piston 5 operated by fluid pressure arranged on the discharge side to adjust the size of a diametral opening of screw rotors 1, 2 on the suction side, the screw compressor including projections 8 extending in parallel with axes of the screw rotors 1, 2 from a position distanced from the screw rotors 1, 2 at the end on the suction side of the slide valve 3, and a support portion 10 which comes in relatively slidably contact with surfaces 9 on the axial side of the screw rotors 1, 2 of the projections 8 which advance and retreat along with the slide valve 3 to support the projections 8.