Abstract: Disclosed herein is a filter apparatus comprising a fluid inlet for a fluid to be filtered in the apparatus; a first fluid outlet for fluid that has been filtered; and one or more barrier filters arranged between the fluid inlet and the first fluid outlet for filtering material from the fluid. In use, the fluid to be filtered is directed from the fluid inlet so as to promote a continuous erosion of material built up on the barrier filter(s). Also disclosed is a method of filtering particles from a particle laden fluid.

Abstract: A heat transfer apparatus and method comprises first and second heat transfer units. A heat exchanger has a first portion thereof arranged between the first and second units, and a second portion that is thermally connected to the first portion and not arranged between the first and second units. Each heat transfer unit comprises one or more modules, and each module comprises a chamber having a first part which contains a first gas adsorbent material and a second part which contains a second gas adsorbent material. These parts are connected so as to allow gaseous communication therebetween whilst being relatively thermally isolated from each other.

Abstract: Disclosed herein is a filter apparatus comprising a fluid inlet for a fluid to be filtered in the apparatus; a first fluid outlet for fluid that has been filtered; and one or more barrier filters arranged between the fluid inlet and the first fluid outlet for filtering material from the fluid. In use, the fluid to be filtered is directed from the fluid inlet so as to promote a continuous erosion of material built up on the barrier filter(s). Also disclosed is a method of filtering particles from a particle laden fluid.

Abstract: A heat transfer apparatus (20) and method comprises first (R2/D2) and second (R1/D1) heat transfer units. A heat exchanger (30) has a first portion (32) thereof arranged between the first and second units, and a second portion (34) that is thermally connected to the first portion and not arranged between the first and second units. Each heat transfer unit comprises one or more modules (10), and each module comprises a chamber having a first part (12) which contains a first gas adsorbent material and a second part (14) which contains a second gas adsorbent material. These parts are connected (16) so as to allow gaseous communication therebetween whilst being relatively thermally isolated from each other.

Abstract: A method, apparatus and system for transferring heat is disclosed using a first gas adsorbent material, and a second gas adsorbent material that is relatively thermally isolated from but in continuous gas communication with the first material. In a first step the first material is heated so as to desorb a gas adsorbed onto the first material whereby the gas passes to and is adsorbed onto the second material. In a second step the first material is cooled in a manner so that the gas is desorbed from the second material and passes therefrom to be re-adsorbed onto the first adsorbent material. When the gas is desorbed from the second material, the second material is cooled thereby. In this way a hot gas stream can be used to cool another gas stream.