Foster Findlay Associates Limited

Whitaker Engineering (stonehaven) Limited

Whittaker Engineering Limited

Kenneth Whittaker

Keith Graham Watt

Matthias Graessner

David Ellis

A heat pump system includes a regenerative thermal machine () in fluid communication with one or more heat reservoirs (), wherein the regenerative thermal machine () comprises working fluid compression () and expansion () spaces; and an electrical machine () that is electrically connectable via interconnector () to an electricity distribution grid (); characterised in that the regenerative thermal machine () further comprises a phase change means () operable to change the phase relationship between the said working fluid compression () and expansion spaces () of the regenerative thermal machine ().

Heat pump system and a method of operating a heat pump system

A thermodynamic machine () of a Stirling type, the machine comprising an expansion chamber (), a compression chamber (), a regenerator () disposed between the expansion and compression chambers; a first heat exchanger () in communication with the expansion chamber and the regenerator; a second heat exchanger () in communication with the compression chamber and the regenerator; a first bypass conduit () connecting the expansion chamber with the regenerator bypassing the first heat exchanger; a second bypass conduit () connecting the compression chamber with the regenerator bypassing the second heat exchanger; at least a pair valves (), one valve () provided between the expansion chamber and the first heat exchanger and/or between the regenerator and the first heat exchanger and/or in the first bypass conduit between the expansion chamber and the regenerator; and the other valve () provided between the compression chamber and the second heat exchanger and/or between the regenerator and the second heat exchanger and/or in the second bypass conduit between the compression chamber and the regenerator; the valves being controllable.

Growing community of inventors

Aberdeenshire, United Kingdom

Kenneth Whittaker