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. 11, 1985
Filed:
Oct. 21, 1983
Applicant:
Inventors:
Nobukatsu Arai, Ibaraki, JP;
Naoki Maeda, Ibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ; F01C / ;
U.S. Cl.
CPC ...
418 55 ; 418151 ;
Abstract
A balancing weight device for scroll-type fluid machine including a balancing weight rotatably secured to the orbital scroll member of the machine through a bearing, with the balancing weight producing a centrifugal force balancing the centrifugal force produced in the orbital scroll member during operation of the fluid machine.
Arai, Nobukatsu. (1985). Balancing weight device for scroll-type fluid machine (U.S. Patent No. 4522574). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4522574
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile