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:
Feb. 21, 2017
Filed:
Apr. 26, 2013
Greystone Technologies Pty. Ltd., Welshpool, AU;
Nicholas Ryan Marchand, Edmonton, CA;
Jeffery Ronald Clausen, Houston, TX (US);
Jonathan Ryan Prill, Edmonton, CA;
Other;
Abstract
A rotary fluid drive has first and second bodies. The second bodyis rotatable relative to and inside of the first bodydefining a working fluid spacethere between. Gatesare supported by the first bodyand lobesare provide on the second body. Gate pocketsare formed in the first bodyinto which the gates swing when contacted by the lobes. The gatesand the gate pocketsare configured to form a debris chamberthere between capable of temporarily accommodating solid debris. Each gatehas a plurality of projectionsA with intervening gapsB. The gaps form a gate pocket flow path. Working fluid flows via each gate pocket flow pathinto the working fluid spacewhen the associated gateis maximally deflected into its associated gate pocket