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:
Oct. 02, 2001
Filed:
Nov. 12, 1998
Applicant:
Inventor:
Nikola Rudi Stosic, Barnet, GB;
Assignee:
City University, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 1/800 ;
U.S. Cl.
CPC ...
F04C 1/800 ;
Abstract
Helical intermeshing main and gate rotors (,) are mounted for rotation about their axes in respective intersecting bores in a housing. The profiles of the rotors as seen in cross section are generated by the same rack formation. The high pressure flanks of the lobes of the main rotor (,) and of the grooves of the gate rotor (,) are both generated by a preferably cycloidal portion (GHA) of the rack R.
Stosic, Nikola. (2001). Plural screw positive displacement machines (U.S. Patent No. 6296461). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6296461
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile