Back to results
US 9,756,759 B2Granted
Power transmission apparatus
AssigneeSumitomo Heavy Industries, Ltd.
InventorsKazuhiro Kimura, Yoshiki Hayashi, Tetsuo Harii, Sadanori Ishihara
Life of this patent
Estimating the term…
Abstract
Disclosed is a power transmission apparatus that is cooled by airflow sent from a fan and includes fins provided on side surfaces of a casing. The fins include upstream fins close to the fan and downstream fins distant from the fan. An interval between the upstream fins is smaller than an interval between the downstream fins.
Claims12
A power transmission apparatus that is cooled by airflow sent from a fan and includes fins provided on at least one of side surfaces of a casing,
- wherein the fins include upstream fins and downstream fins, the upstream fins are closer to the fan than the downstream fins,
- an interval between the upstream fins is smaller than an interval between the downstream fins,
- an inspection hole of the power transmission apparatus is provided between the upstream and downstream fins, and
- a height of an upper surface of a lid body, which closes the inspection hole, is smaller than a height of an apex of the upstream fins.
1 more element
Dependencies are inferred from the claim text.