F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 29/04 (2006.01) F04C 18/12 (2006.01)
Patent
CA 2421988
The invention relates to a pump (12) for producing pressure and/or a partial vacuum, comprising a pump chamber having a high-pressure connection (16) and a low-pressure connection (14). Said pump also comprises two at least two-bladed rotors arranged on two parallel shafts which are offset in relation to each other in the pump chamber. During a rotation, said rotors roll over each other in a contactless manner, forming cells having internal compression. A cooling agent (21) is supplied to the pump chamber, said cooling agent supply being regulated according to the temperature on the side of the high-pressure connection (16).
L'invention concerne une pompe (12) pour produire une pression et/ou une dépression, comprenant une chambre dotée d'un raccord haute pression (16) et d'un raccord basse pression (14) et deux rotors pourvus d'au moins deux palettes, ces rotors étant montés sur deux arbres parallèles décalés l'un par rapport à l'autre dans la chambre de la pompe. Lors d'une rotation, lesdits rotors roulent sans contact l'un sur l'autre et forment ainsi des cellules à étanchéité interne. Une alimentation en agent de refroidissement (21) dans la chambre de la pompe est réglée en fonction de la température côté raccord haute pression (16).
Garczorz Reinhard
Scholz Fritz-Martin
Fetherstonhaugh & Co.
Werner Rietschle Gmbh + Co. Kg
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