Whitaker Engineering (stonehaven) Limited

Matthias Graessner

Keith Graham Watt

Kenneth Whittaker

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 ().

Growing community of inventors

Aberdeenshire, United Kingdom

Matthias Graessner