F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
230/111, 62/31
F04C 18/30 (2006.01) F01C 3/06 (2006.01) F04C 18/46 (2006.01) F25B 1/04 (2006.01)
Patent
CA 1109038
ABSTRACT OF THE DISCLOSURE A compressor-expander having a vaned rotor in which the vanes rotate about an axis which is canted with respect to the rotor axis. The housing of the device has a disc-shaped main cavity having adjacent hub recesses which are concentrically spherical. The cavity is in the form of a doubly truncated sphere canted with respect to the shaft axis. The rotor has a central spherical portion for mating with the recesses and includes an integral Saturn-like ring extending to the outer wall of the cavity to divide the cavity into compressor and expander sides of complimentary circular wedge shape. The vanes occupy radially extending slots in the rotor and serve to separate each side into successive chambers which vary cyclically in volume as the shaft rotates without requiring the vanes to bodily reciprocate either radially or axially. The cavity is provided with compressor and expander inlet and outlet ports, a primary heat exchanger being connected between the compressor outlet port and the expander inlet port, so that air entering the compressor inlet is compressed and heated, the heat of compression being removed in the heat exchanger, following which the air is expanded and cooled for discharge in the cooled state. Preferably a secondary heat exchanger is connected between the expander outlet and the compressor inlet to form a closed system operated at a pressure above atmospheric. By appropriate location and connection of the ports, the device may be utilized as a two-stage compressor or expander.
317117
Edwards Thomas C.
Shank Wayne C.
Macrae & Co.
Rovac Corporation (the)
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