Oil seal structure and turbocharger
AssigneeIHI Corporation
InventorTakahisa Toyota
Life of this patent
Estimating the term…
Abstract
An oil seal structure includes a bearing unit for a shaft, housed in a housing hole formed in a housing, and an opposing member that faces the bearing unit in an axial direction of the shaft and has a body part including an opposing face provided with an insertion hole through which the shaft is inserted. The opposing member includes an oil groove that is formed in the opposing face, is recessed in a direction separating from the bearing unit, and at least partially faces the bearing unit, and a portion at which the insertion hole opens in the opposing face projects toward the bearing unit side from a deepest portion in the oil groove.
Claims17
An oil seal structure comprising:
- a bearing unit for a shaft, housed in a housing hole formed in a housing;
- and
- an opposing member that faces the bearing unit in an axial direction of the shaft and has a body part including an opposing face provided with an insertion hole through which the shaft is inserted, wherein
- the opposing member includes an oil groove that is formed in the opposing face, is recessed in a direction separating from the bearing unit, and at least partially faces the bearing unit, and
- a portion at which the insertion hole opens in the opposing face projects toward the bearing unit side from a deepest portion in the oil groove.
Dependencies are inferred from the claim text.