Title: Method and device for injection of liquid

Abstract: A method and a device for injecting liquid into a screw compressor is disclosed which allow the injected cooling liquid to move through the compressor in a pure axial movement. Through this a more even distribution of the liquid in the compression chambers is achieved resulting in improved cooling of the working medium.

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Inventors: Olofsson, Hans Kristoffer (Huddinge, SW)

Application Number: 489941
Filing Date: 1974-07-18
Publication_date: 1976-03-02
Assignee: Atlas Copco Aktiebolag (Huddinge, SW)
Primary Class(es): 418/9 418/91, 418/97
Other Classes:
US Patent Ref:

2290137	Jul, 1942	Aldridge	418/48.
2358721	Sep, 1944	Ljungdahl	418/100.
2695694	Nov, 1954	Seinfeld	418/91.
3343526	Sep, 1967	Peras	418/94.

Other Refs: 427,475

Apr, 1935	UK

Primary Examiner: Vrablik, John J.
Assistant Examiner:
Attorney: Munson; Eric Y.