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Enclosed oil pump assembly for motorcycle

A closed, motorcycle technology, applied in engine components, liquid fuel feeders, machines/engines, etc., can solve problems such as the size limitation of the built-in oil pump, inconvenient installation, etc., to achieve constant temperature, convenient installation, and stable operation. Effect

Inactive Publication Date: 2007-10-17
CHONGQING LIFAN INDUSTRIAL (GROUP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a closed oil pump assembly for motorcycles, which not only solves the problem that the built-in oil pump is limited by the size of the fuel tank and is inconvenient to install, but also solves the problem of temperature rise of the external oil pump

Method used

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  • Enclosed oil pump assembly for motorcycle
  • Enclosed oil pump assembly for motorcycle
  • Enclosed oil pump assembly for motorcycle

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Please refer to Fig. 2, the present invention 14 is mainly made up of housing 1, filter screen 2, oil pump 3, oil inlet pipe 4, oil outlet pipe 5, exhaust pipe 6, base 7, wherein filter screen 2 is connected with the inlet of oil pump 3 bottom , the oil pump 3 and the filter screen 2 are put into the casing 1, and its volume is smaller than the inner cavity volume of the casing 1, and the cavity volume 1a+1b formed between the oil pump 3 and the inner wall of the casing 1 is not Less than 1 / 4 of the volume of the oil pump 3, which is about 1 / 2 in this embodiment; an oil inlet pipe 4, an oil outlet pipe 5, an exhaust pipe 6, and a power supply connected to the inner cavity are arranged on the cover of the housing 1 Plug 16, the oil outlet nozzle of the oil pump 3 is inserted into the oil outlet pipe 5 of the housing 1, the power terminal 8 of the oil pump 3 is connected to the power plug 16 through a wire; the oil pump 3 is installed on the Inside the casing 1, the filte...

Embodiment 2

[0021] Please refer to Fig. 3, the present invention 14 is mainly composed of housing 1, filter screen 2, oil pump 3, oil inlet pipe 4, oil outlet pipe 5, exhaust pipe 6, base 7, sealing ring 9, O-shaped sealing ring 10, power plug 16 , Compression cover 17, this embodiment is basically the same as the main content of the composition and connection relationship of the first embodiment, the difference is: the shell 1 is composed of a shell cover and a shell body, and the shell cover is O-shaped The sealing ring 10 is covered on the opening end of the shell body, and fits tightly; there is a compression cover 17 with a central opening on the shell cover, the compression cover 17 is threaded with the shell body, and the oil inlet pipe 4, The oil outlet pipe 5, the exhaust pipe 6, and the power plug 16 protrude from the central hole of the pressing cover 17. In addition, the volume 1a+1b of the cavity formed between the oil pump 3 and the inner wall of the housing 1 is not less th...

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Abstract

An enclosed type oil pump unit assemblage for motorcycle, which is characterized in that: A. the oil pump (3) and the filter gauze (2) are arranged in the housing (1), volume of which is smaller than the inner chamber volume of the housing (1), the volume of the cavity formed between the oil pump (3) the inner wall of the housing (1) is not less than 1 / 4 volume of the oil pump (3); B. the cap of the housing (1) is provided with a power plug (16), a vent-pipe (6), an oil outlet pipe (5) and an oil inlet pipe (4) communicating with the inner cavity, the oil outlet nozzle of the oil pump (3) is inserted in the oil outlet pipe (5) of the housing (1); C. the oil pump is mounted in the housing (1) by a base (7). The invention has advantages of convenient mounting of the oil pump arranged outside and no limit by the size of the oil tank, as well as has advantages that the oil pump can be separated from the outside, without influence of air temperature, the oil pump always can be cooled by the circulating oil to avoid temperature rise problem of the oil pump, with working steadily and reliablely.

Description

technical field [0001] The invention relates to an oil pump, in particular to an oil pump assembly used on motorcycles. Background technique [0002] In the EFI motorcycle fuel supply system, the fuel pump assembly can be divided into an external fuel pump assembly and a built-in fuel pump assembly according to the layout. The external oil pump assembly is to place the oil pump outside the oil tank 11 (as shown in Figure 6); although this oil pump 3 is not limited by the size of the oil tank, it is easy to install, but the oil pump works in the air for a long time, especially in summer. If the temperature rise is too high, the oil pressure will drop instantly, which will affect the normal operation of the motorcycle. The built-in oil pump assembly is that the oil pump is placed in the fuel tank. Although it does not directly contact with the air, the oil in the fuel tank has a cooling effect on the working oil pump. It works reliably and has low n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M37/08
Inventor 钟世楷
Owner CHONGQING LIFAN INDUSTRIAL (GROUP) CO LTD
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