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. 03, 2017
Filed:
May. 24, 2013
Avl List Gmbh, Graz, AT;
Michael Steinbauer, Graz, AT;
Andreas Krobath, Graz, AT;
Karl Knaus, Thal bei Graz, AT;
Heinrich Fuerhapter, Graz, AT;
AVL List GmbH, Graz, AT;
Abstract
A rotary piston machine is disclosed. In one aspect, the machine includes a piston chamber that is defined in a housing by a first sidewall, a second sidewall and a peripheral wall interconnecting these sidewalls and a rotary piston that is rotatably arranged in the piston chamber and has a first face and a second face. The first face of the rotary piston faces an interior of the first sidewall of the piston chamber and the second face of the rotary piston faces an interior of the second sidewall of the piston chamber. at least one ventilation bore is provided in the first and/or the second sidewall of the piston chamber and connected to at least one ventilation channel, wherein the at least one ventilation bore is arranged at a location that radially lies within at least one first lateral seal.