Venting and separating device for housing and housing for receiving battery cells
AssigneeMann+Hummel GmbH
InventorRobert ZBIRAL
Life of this patent
Estimating the term…
Abstract
A venting and separating device for a housing includes a first separation screen comprising first screen openings, and a second separation screen comprising second screen openings. The second separation screen is surrounded circumferentially by the first separation screen, the first separation screen and the second separation screen overlap each other in an axial direction, for intended mounting at the housing, the second separation screen completely engages across a housing opening for venting, and a wall of the first separation screen and/or a wall of the second separation screen is corrugated multiple times.
Claims18
A venting and separating device for a housing, the venting and separating device comprising:
- a first separation screen comprising first screen openings;
- and
- a second separation screen comprising second screen openings,
- wherein the second separation screen is surrounded circumferentially by the first separation screen,
- the first separation screen and the second separation screen overlap each other in an axial direction,
- for intended mounting at the housing, the second separation screen completely engages across a housing opening for venting,
- a wall of the first separation screen and/or a wall of the second separation screen is corrugated multiple times,
- the first separation screen and the second separation screen are arranged to be flowed through serially, and
- for intended mounting at the housing, at least a downstream one among the first separation screen and the second separation screen in respect to flow is flowed through in a radial direction.
A housing for receiving battery cells, the housing comprising:
- at least one housing wall with a housing opening;
- and
- a venting and separating device closing the housing opening at an inner side of the housing wall, the venting and separating device comprising:
- a first separation screen comprising first screen openings;
- and
- a second separation screen comprising second screen openings,
- wherein the second separation screen is surrounded circumferentially by the first separation screen,
- the first separation screen and the second separation screen overlap each other in an axial direction,
- for intended mounting at the housing, the second separation screen completely engages across the housing opening for venting,
- a wall of the first separation screen and/or a wall of the second separation screen is corrugated multiple times,
- the first separation screen and the second separation screen are arranged to be flowed through serially, and
- for intended mounting at the housing, at least a downstream one among the first separation screen and the second separation screen in respect to flow is flowed through in a radial direction.
Dependencies are inferred from the claim text.