About 25 results
https://drivepatents.com/patents/1011961 · 15 Jun 2011
The machine has a working piston (2) movably mounted in a working chamber (1), and a thermal head (3) in fluid connection with the working chamber. Boiling point of working material e.g. butane, pentane or pentafluoropropane (R245fa), is selected such that...
https://drivepatents.com/patents/1013437 · 27 Apr 2011
The device (1) has a set of pistons oscillated in a set of displacer cylinders (3, 5), respectively, and a set of connecting rods is arranged on the pistons, respectively. The connecting rods are flexibly connected with a crank shaft drive, and the cylinde...
https://drivepatents.com/patents/1015989 · 2 Feb 2011
A thermo-electro-acoustic engine comprises a sealed body (12) having a regenerator (14), hot and cold heat exchangers (16,18), an acoustic source (20), and an acoustic energy converter (22). An acoustic pressure wave is generated in a gas in the region of ...
https://drivepatents.com/patents/1016508 · 19 Jan 2011
A number of compact, high-efficiency thermoelectric system utilizing the advantages of thermal isolation in the direction of a working medium flow or movement, in manufacturable systems, are described. Such configurations exhibit high system efficiency and...
https://drivepatents.com/patents/1068618 · 5 Apr 2006
In a Stirling engine, a hollow cylinder-like pressure vessel covers a cylinder, a piston, and a linear motor. The pressure vessel is divided into a ring-like portion and a dome-like portion at a position closer to the displacer installation side than a pis...
https://drivepatents.com/patents/1070827 · 18 Jan 2006
With spacers (30, 31) held between the central portion and the circumference of two plate springs (61, 61), a fixed shaft (67) erected on a fixed block (70) is inserted in a through hole (64) in the periphery of the plate spring (61) and also in the spacer...
https://drivepatents.com/patents/1088709 · 24 Mar 2004
The invention relates to a Stirling engine that comprises: a displacer unit (2) having displacer cylinders (21 a, b), displacers (22 a, b) slidably arranged in the chambers of the displacer cylinders (21 a, b), expansion chambers and contraction chambers i...
https://drivepatents.com/patents/1090664 · 2 Jan 2004
A stirling machine having two pistons coupled to a harmonic crank drive linage for providing a specified phase relationship between sinusoidal displacements of each piston with respect to a fixed fiducial point. The harmonic crank drive linkage has a prima...
https://drivepatents.com/patents/1093165 · 24 Sep 2003
A Stirling refrigerator has an outer yoke assembly (11) provided as an outer yoke constituting a linear motor (16) and has a piston-support-spring support member (14A) and a displacer-support-spring support member (14B) that are supported by the outer yoke...
https://drivepatents.com/patents/1096322 · 2 May 2003
An expansion piston (EP) (2) and a compression piston (CP) (4) fit along a common center axis (6) and operate when aligned in series. First gas chambers (GK1) in a compression cylinder component (5) on the underside (15) of the CP and in an expansion cylin...