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US 2008/0287243 A1Published application
Reducer and method of use thereof
AssigneeSumitomo Heavy Industries, Ltd.
InventorAkira Yamamoto
Life of this patent
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Abstract
The reducer contains a lubricant inside, which is at least partly flowable during the operation, the inside of the reducer being tightly sealed from the outside. The reducer includes a communicating part that communicates the inside and the outside of the reducer. The communicating part is blocked with a blocking member that has oil repellency, air permeability, and non-permeability to oil.
Claims5
A reducer comprising:
- a casing enabling a tight seal between an inside and an outside of the reducer;
- a lubricant contained in the casing, the lubricant being at least partly flowable during operation of the reducer;
- a communicating part formed in the casing or in a component integrally formed with the casing, for communicating the inside and the outside of the reducer;
- and
- a blocking member arranged in the communicating part for blocking the communicating part, the blocking member having oil repellency, air permeability, and non-permeability to oil.
2 more elements
Dependencies are inferred from the claim text.