Title:
HEAT PUMP DEVICE
Document Type and Number:
Japanese Patent JP2018204520
Kind Code:
A
Abstract:
To provide a heat pump device capable of easily controlling a storage amount of engine oil in an oil pan with a simple configuration.SOLUTION: A heat pump device is driven by an engine 11. The heat pump device includes an oil tank 22, an oil pump 24 and an oil return pipe 30. The oil tank 22 stores engine oil to be supplied to an oil pan 11b provided in the engine 11. The oil pump 24 supplies the engine oil from the oil tank 22 to the oil pan 11b. The oil return pipe 30 is used for returning the engine oil in the oil pan 11b to the oil tank 22. A height of a first opening 31 that is an opening formed in an inner space of the oil pan 11b by the oil return pipe 30 is made lower than that of a second opening 32 that is an opening formed in an inner space of the oil tank 22 by the oil return pipe 30.SELECTED DRAWING: Figure 5
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Inventors:
OISHI MASAHITO
NAKAJIMA SHOHEI
NAKAJIMA SHOHEI
Application Number:
JP2017109975A
Publication Date:
December 27, 2018
Filing Date:
June 02, 2017
Export Citation:
Assignee:
YANMAR CO LTD
International Classes:
F01M11/06; F01M11/00
Domestic Patent References:
| JP2005325745A | 2005-11-24 | |||
| JP2006077601A | 2006-03-23 | |||
| JP2001241313A | 2001-09-07 |
Foreign References:
| US20040007055A1 | 2004-01-15 |
Attorney, Agent or Firm:
Naomi Katsura River