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:
Jan. 09, 1990
Filed:
Apr. 03, 1981
John E McCullough, Carlisle, MA (US);
John T Dieckmann, Belmont, MA (US);
Thomas P Hosmer, Concord, MA (US);
Arthur D. Little, Inc., Cambridge, MA (US);
Abstract
A compact scroll compressor capable of maintaining a high efficiency when driven at variable speeds and operating at variable gas pressures. The compressor incorporates a unique swing-link driving means and means to control the flow of high-pressure fluid from the central high-pressure zone defined by the scroll members. The compressor is particularly suited for operation off an automotive engine to provide compressed refrigerant in an automotive air conditioner.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile