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:
May. 03, 2016
Filed:
Aug. 17, 2010
Niall James Caldwell, Edinburgh, GB;
Daniil Sergeevich Dumnov, Edinburgh, GB;
William Hugh Salvin Rampen, Edinburgh, GB;
Alasdair Ian Fletcher Robertson, Livingston, GB;
Uwe Bernhard Pascal Stein, Edinburgh, GB;
Robert George Fox, Peebles, GB;
Niall James Caldwell, Edinburgh, GB;
Daniil Sergeevich Dumnov, Edinburgh, GB;
William Hugh Salvin Rampen, Edinburgh, GB;
Alasdair Ian Fletcher Robertson, Livingston, GB;
Uwe Bernhard Pascal Stein, Edinburgh, GB;
Robert George Fox, Peebles, GB;
ARTEMIS INTELLIGENT POWER LIMITED, Loanhead, GB;
Abstract
A fluid-working machine for a renewable energy generation device, the fluid-working machine comprising a ring cam and a plurality of working chambers, the ring cam having an annular working surface extending around an axis of rotation of the ring cam, the annular working surface defining a plurality of waves, each working chamber having a piston, each piston in operative engagement with the ring cam working surface, the ring cam and working chambers being mounted to rotate relative to each other, cycles of working chamber volume being thereby coupled to rotation of the ring cam relative to the working chambers, characterized in that the individual waves of the ring cam working surface have an asymmetric profile.