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University of Central Florida Research Foundation Inc

Joshua M Schmitt

Jayanta Kapat

Narasimha Nagaiah

Jihua Gou

A positive displacement expander with an operating fluid chamber of expansive volume regulated by a shifting head. The shifting head may enhance rotation of a housing utilized to rotate a shaft for providing work to any of a variety of power retrieval devices. Additional efficiencies may also be realized through unique hydraulic layouts for circulating of the operating fluid from a heat exchanger, through the rotary device and to a cold exchanger for continuous operating of the rotary device.

Shifting head assisted rotary positive displacement device

An assembly with a piston reciprocated with the aid of a floating head in fluid communication with the piston. The assembly may utilize a floating head that is shifted in position to promote reciprocation of the piston through the aid of pressure supplied to the floating head from a pressure volume regulator. Alternatively, the floating head may be in fluid communication with the piston at one side of the head and isolated at the other side. In this manner changing volume and pressure at this other side of the head during reciprocation may ultimately lead to floating head movement toward the piston, thereby promoting the continued reciprocation. Additional efficiencies may also be realized through unique hydraulic layouts for both operating and working fluid circulations.

Floating head piston assembly

A power generation system includes a turbine having an outlet. A high temperature recuperator has an inlet and is connected to the turbine outlet. A low temperature recuperator is connected to the high temperature recuperator. Each of the high and low temperature recuperators include a plurality of matrix panels interconnected together that define hot fluid channels and cold fluid channels arranged adjacent to each other in a counterflow and stair-step configuration. A compressor is connected to the low temperature recuperator and turbine.

Growing community of inventors

San Antonio, TX, United States of America

Joshua M Schmitt