Vacuum pump
AssigneeJoma-Polytec GmbH
InventorsHans-Peter Ott, Willi Schneider, Torsten Helle
Life of this patent
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Abstract
The invention relates to a vacuum pump, in particular a vane pump, having a pump housing in which an intake chamber is provided, and a pump housing opening which feeds into the intake chamber, wherein an intake check valve is arranged in the pump housing opening and communicates with the atmosphere or feeds into an external vacuum chamber, with the intake check valve being accommodated in a pot-shaped valve housing, and with the pot-shaped valve housing having a housing bottom and a housing jacket, wherein the housing bottom is connectable to the housing jacket and the housing bottom can be snapped onto the housing jacket.
Claims13
A vacuum pump, comprising:
- a pump housing having an intake chamber;
- an intake check valve arranged in a pump housing opening which feeds into the intake chamber, said intake check valve having a pot-shaped valve housing formed by a housing bottom and a housing jacket which is connectable to the housing bottom and has a free end provided with a flange and configured to receive the housing bottom;
- and
- a snap-on connection to connect the housing bottom onto the housing jacket,
- wherein the housing bottom has an end in facing relationship to the housing jacket, said end of the housing bottom having at least two fingers which engage behind the flange to realize the snap-on connection.
Dependencies are inferred from the claim text.