Oil supply system
An oil supply system and oil pump technology, which is applied in the directions of machines/engines, transportation and packaging, mechanical equipment, etc., can solve the problems of increased energy consumption of oil pumps, deterioration of fuel economy, and increased frictional resistance of gear mechanisms.
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no. 1 approach
[0030] A first embodiment will be described with reference to the drawings. The oil supply system 1 of the present embodiment can supply AT oil to various hydraulic mechanisms included in the automatic transmission 2 , can heat the AT oil during the warm-up operation of the engine 3 , and can cool the AT oil during normal operation of the engine 3 .
[0031]
[0032] First, the structure of the engine room of the vehicle in which the fuel supply system 1 of this embodiment is mounted is demonstrated.
[0033] figure 1 is a schematic diagram of the engine compartment. figure 1 The described engine 3 is, for example, a reciprocating engine. The engine 3 sucks the mixed gas of air and fuel from the intake passage 4 into the cylinder not shown through the reciprocating motion of the unshown piston, compresses the mixed gas and burns it, and discharges the exhaust gas generated by the combustion from the Exhaust passage 5 discharges. The engine 3 can obtain torque by converti...
no. 2 approach
[0066] A second embodiment will be described.
[0067] Such as image 3 As shown, in the second embodiment, the bypass passage 25 has an opening 27 through which outside air can be introduced. Such as figure 2 with image 3 As shown, the switching valve 28 of the second embodiment is a gate type switching valve 28 provided near the opening 27 . The switching valve 28 can switch between the communication state and the blocking state of the part on the engine 3 side of the compressor 7 in the intake passage 4 and the bypass passage 25, and can switch between the space outside the opening 27 and the bypass passage 25. switch between connected and blocked states. In the following description, the gate-type switching valve 28 , which is an example of the switching valve 28 , is referred to as a switching gate 28 . In addition, the switching valve 28 is not limited to a gate type, and various forms, such as a slide type and a rotary type, can be employ|adopted.
[0068]
[...
no. 3 approach
[0078] A third embodiment will be described.
[0079] Such as Figure 4 As shown, the oil supply system 1 of the third embodiment does not include the bypass passage heat exchanger 22 and the water-cooled heat exchanger 23 . Instead, the oil supply system 1 includes an air-cooled heat exchanger 29 provided in the engine room. This heat exchanger 29 is referred to as an engine room heat exchanger 29 .
[0080] In addition, in the third embodiment, the fan 16 provided on the engine 3 side of the radiator 11 can switch between normal rotation operation and reverse rotation operation. When the fan 16 is rotating in the normal direction, air flows from the radiator 11 side to the engine 3 side as indicated by a dotted arrow 102 . On the other hand, when the fan 16 rotates in reverse, air flows from the engine 3 side or the exhaust passage 5 side to the radiator 11 side as indicated by the solid arrow 103 .
[0081] The engine room heat exchanger 29 is provided in the engine roo...
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