Valve device
AssigneeDenso Corporation
InventorsTakashi KOBAYASHI, Katsuya TORII
Life of this patent
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Abstract
A valve device has a valve that opens and closes a passage, and a cantilever bearing member rotatably supporting a rotating shaft of the valve. The cantilever bearing member has rolling-element bearings arranged in series in an axial direction of the rotating shaft. One of the rolling-element bearings located the closest to the passage has a rolling element, an inner race, an outer race and a seal portion. A space is defined between the inner race and the outer race to receive the rolling element. The seal portion made of rubber tightly seals the space on a side adjacent to the passage.
Claims3
A valve device comprising:
- a valve that opens and closes a passage;
- and
- a cantilever bearing member that rotatably supports a rotating shaft of the valve on only one side of the passage, wherein
- the cantilever bearing member has a plurality of rolling-element bearings arranged in series in an axial direction of the rotating shaft,
- one of the plurality of rolling-element bearings is located the closest to the passage among the plurality of rolling-element bearings, and has
- a rolling element,
- an inner race and an outer race between which a space is defined to receive the rolling element, and
- a seal portion made of rubber tightly sealing the space on a side adjacent to the passage.
Dependencies are inferred from the claim text.