Single screw interrupted thread positive displacement mechanism

Details Single screw interrupted thread positive displacement mechanism Single screw interrupted thread positive displacement mechanism

1991-07-17

1992-07-14

Bertsch, Richard A.

Rotary expansible chamber devices

With mechanical sealing

Seal on working member periphery separates inlet and outlet...

418195, F04C 1812

Patent

active

051298007

ABSTRACT:
A single screw positive displacement compressor mechanism employing shallow ate rotor tooth penetration of the main rotor for purposes of reducing internal leakage and consequent compressor inefficiencies. The invention is provided with an interrupted main rotor thread for purposes of insuring multiple gate rotor teeth meshing with the drive portion of the main rotor thread, thereby reducing gate rotor tooth flank loads in the compressor section of the device. Provision is also made for main rotor thread baffling between the main rotor chamber section and the mechanism inlet.

REFERENCES:
patent: 3945778 (1976-03-01), Zimmern
patent: 4227867 (1980-10-01), Whitehill et al.
patent: 4492542 (1985-01-01), Zimmern
patent: 4704069 (1987-11-01), Kocher et al.

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