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:
Dec. 06, 2022
Filed:
Sep. 01, 2017
Applicant:
Lontra Limited, Warwickshire, GB;
Inventor:
Stephen Francis Lindsey, Warwickshire, GB;
Assignee:
LONTRA LIMITED, Warwickshire, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C 3/02 (2006.01); F01C 21/08 (2006.01);
U.S. Cl.
CPC ...
F01C 3/02 (2013.01); F01C 3/025 (2013.01); F01C 21/08 (2013.01); F04C 2240/20 (2013.01); F04C 2250/20 (2013.01);
Abstract
A rotary piston and cylinder device comprising a rotor (), comprising a rotor surface (), a stator (), a rotatable shutter (), a piston () which extends from the rotor surface, the rotor surface and the stator together defining an annular chamber, and the piston arranged to rotate, through the annular chamber, and the rotor surface being orientated at an incline to a plane (P-P) substantially perpendicular to the axis of rotation (A-A) of the rotor and the rotor surface faces generally away from, or outwardly of, the axis of rotation of the rotor.