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Apparatus and methods for cooling and sealing rotary helical scr

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent

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Closed rotary compressor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent

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Compressor exhibiting an iron sulfide wear surface

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent

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Lubricating arrangement for a shaft seal in a vane type compress

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent

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Multi-rotor helical-screw compressor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Reexamination Certificate

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Oil-cooled type screw compressor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent

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Oil-free rotary gas compressor with injection of vaporizable liq

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent

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Rotary compressor with vanes in the housing and suction through

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Patent

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Two-stage rotary compressor

Rotary expansible chamber devices – Heat exchange or non-working fluid lubricating or sealing – Intermixed incoming working and non-working fluids
Reexamination Certificate

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