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. 02, 2024
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); F01C 21/10 (2006.01); F01C 21/02 (2006.01);
U.S. Cl.
CPC ...
F01C 3/02 (2013.01); F01C 3/025 (2013.01); F01C 21/08 (2013.01); F01C 21/104 (2013.01); F01C 21/02 (2013.01); F04C 2250/20 (2013.01); F04C 2250/201 (2013.01); F04C 2250/30 (2013.01);
Abstract
A rotary piston and cylinder device () comprising: a rotor (), comprising a rotor surface (), a piston () which extends from the rotor surface, a stator (), a rotatable shutter (), the rotor surface and the stator together defining an annular chamber, and the piston arranged to rotate, through the annular chamber, wherein when the chamber is viewed in axial cross-section, substantially a single surface of the stator in part defines the chamber ().