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:
May. 10, 1988
Filed:
Aug. 01, 1986
Kazuhiro Irie, Yokohama, JP;
Mikio Tanino, Hadano, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A first refrigerant gas passage is provided for conveying refrigerant gas under pressure to rearward ends of rotor vane slots through a rear bearing in order to supply back pressure to the rotor vane slots as well as to supply lubricant to the rear bearing. In addition to the first refrigerant gas passage, there is provided a second refrigerant gas passage for conveying refrigerant gas under pressure to forward ends of the rotor vane slots and a front bearing without conveying through the rear bearing and the rearward ends of the rotor vane slots in order to supply lubricant to the front bearing as well as to apply uniform back pressure on vanes, particularly at the forward and rearward ends thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile