Lubrication device and oil pan
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYoshio Yamashita, Hideo Kobayashi, Katuhiko Arisawa, Kenichi Yamada, Kunihiko Hayashi, Taiithi Mori
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Abstract
An oil pan separator 132 is disposed so as to divide a space within an oil pan 130 into a first chamber 30a and a second chamber 30b. The oil pan separator 132 has a protrusion 132b formed at a low position in such a manner that a portion of the first chamber 30a protrudes into the second chamber 30b. A protrusion upper-plate 132b1, which serves as an upper end portion of the protrusion 132b, is provided with an oil feed valve 138, which is a one-way valve, for allowing substantially only outflow of oil from the first chamber 30a to the second chamber 30b.
Claims26
A lubrication device configured to be able to feed oil for lubricating a mechanism-to-be-lubricated to the mechanism, comprising:
- an oil pan configured to be able to store the oil in a space within the oil pan;
- an oil pump configured to be able to deliver the oil stored in the oil pan to the mechanism-to-be-lubricated;
- and
- an oil strainer having a suction port through which the oil residing in the space is sucked up, and connected to the oil pump via an oil flow path,
- wherein the oil pan comprises:
- an oil pan cover having an oil storage cavity section opening toward the mechanism-to-be-lubricated;
- an oil pan separator configured and disposed to divide a space within the oil storage cavity section into a first chamber in which the suction port of the oil strainer is disposed in a bottom region and a second chamber adjacent to the first chamber, the first chamber opens toward the mechanism-to-be-lubricated so as to communicate with the mechanism;
- and
- a one-way valve provided on the oil pan separator and configured to be able to allow substantially only outflow of the oil from the first chamber to the second chamber through functioning according to a difference in oil level between the first chamber and the second chamber.
An oil pan configured to be able to store oil for lubricating a mechanism-to-be-lubricated, comprising:
- an oil pan cover having an oil storage cavity section opening toward the mechanism-to-be-lubricated;
- an oil pan separator configured and disposed to divide a space within the oil storage cavity section into a first chamber which opens toward the mechanism-to-be-lubricated so as to communicate with the mechanism, and a second chamber adjacent to the first chamber;
- and
- a one-way valve provided on the oil pan separator and configured to be able to allow substantially only outflow of the oil from the first chamber to the second chamber through actuation according to a difference in oil level between the first chamber and the second chamber.
Dependencies are inferred from the claim text.