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Internal combustion engine

An internal combustion engine and partition technology, which is applied to mechanical equipment, engine components, machines/engines, etc., can solve problems such as hindering the preheating of internal combustion engines, and achieve the effect of smooth preheating and promotion of preheating.

Active Publication Date: 2019-04-05
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Engine oil heated by pistons and cylinders, and relatively low-temperature oil flowing through transmission gears diffuse and mix through the crankshaft and transmission gears, preventing the engine from warming up

Method used

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  • Internal combustion engine
  • Internal combustion engine
  • Internal combustion engine

Examples

Experimental program
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Embodiment Construction

[0028] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Here, the up-down, front-back, and left-right directions of the vehicle body are defined based on the line of sight of the occupant of the motorcycle.

[0029] figure 1 The general structure of the motorcycle which concerns on one Embodiment of this invention is shown. The motorcycle 11 has a vehicle body frame 12 . At the front end of the body frame 12 , a front fork 14 is steerably supported by a head pipe 13 . The front wheel WF is rotatably supported by a front fork 14 around an axle 15 . On the upper side of the head pipe 13 , a handlebar 16 is combined with a front fork 14 . On the rear side of the vehicle body frame 12 , a swing arm 18 is swingably supported by a pivot frame 17 around a support shaft 19 extending horizontally in the vehicle width direction. The rear wheel WR is rotatably supported on the rear end of the swing arm 18 around an axle shaft 21 ....

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PUM

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Abstract

The invention provides an internal combustion engine capable of achieving smooth warm air. The internal combustion engine (23) is provided with a crankcase (24) having an oil pan (106) at the bottom of a crank chamber (39) containing a crank of a crankshaft and a transmission gear of a transmission, and a first oil passage (107) formed on an inner wall of the crank chamber (39) and extending froma crank to an oil pan (106) in a gravity direction. This device is provided with a wall (109) which at least partially separates a second oil passage (108) from a mission gear to an oil pan 106 in the gravity direction, and an oil pump which has a suction port (89) in a storage area (111) separated from the second oil passage (108) on the oil pan (106).

Description

technical field [0001] The present invention relates to an internal combustion engine comprising: a crankcase having an oil pan at the bottom of a crank chamber housing a crank of a crankshaft and a transmission gear of a transmission; and an oil pump having a suction port in a storage area on the oil pan. Background technique [0002] Patent Document 1 discloses a crankcase structure of an internal combustion engine. An oil pan is formed at the bottom of the crankcase. The oil pump draws oil from the oil pan. Oil is supplied from the oil pump through the oil cooler and oil filter to the bearings of the crankshaft, the cylinder head, the main shaft of the transmission, and the counter shaft of the transmission. [0003] The oil is diffused in accordance with the rotation of the crankshaft and transmission gear. Engine oil heated by the piston and cylinder and relatively low-temperature oil flowing through the transmission gear diffuse and mix through the crankshaft and tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F7/00F01M13/00
CPCF01M13/00F02F7/00F02F7/0065
Inventor 堀井宣孝松下耕一朗
Owner HONDA MOTOR CO LTD
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