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Diesel engine energy storage and flow dividing starting device

A starting device and diesel engine technology, applied in the direction of machines/engines, fuel injection devices, charging systems, etc., to reduce environmental pollution, reduce speed overshoot rate, and ensure smooth start-up

Pending Publication Date: 2018-08-10
长沙燕净生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a diesel engine energy storage and diversion starting device for the aforementioned problems existing in the starting process of the existing diesel engine

Method used

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  • Diesel engine energy storage and flow dividing starting device
  • Diesel engine energy storage and flow dividing starting device
  • Diesel engine energy storage and flow dividing starting device

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the figures.

[0015] Such as figure 1 As shown, a diesel engine energy storage and diversion starting device includes an oil cylinder 2, a piston 7 and a sealed cylinder head 8 at the upper end of the oil cylinder; the piston 7 separates the inner chamber of the oil cylinder 2 into an oil inlet chamber 16 and an oil discharge chamber 17. , the lower part of the oil drain chamber 17 is provided with a piston stroke limiting sleeve 3; the upper end of the oil inlet chamber 16 is provided with an oil inlet hole 10, and the lower end of the oil drain chamber 17 is provided with an oil drain hole 1;

[0016] A control rod 4 is arranged in the axial inner center of the above-mentioned oil cylinder 2;

[0017] The center of the upper end surface of the piston 7 is axially provided with a sleeve hole through the piston, and a boss ring 18 is formed on the upper end surface of the piston around the sleev...

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Abstract

The invention relates to a diesel engine energy storage and flow dividing starting device which comprises an oil cylinder (2), a piston (7) and a sealing cylinder cover (8) at the upper end of the oilcylinder. The piston (7) vertically divides an inner cavity of the oil cylinder (2) into an oil inlet cavity (16) and an oil release cavity (17); an oil inlet hole (10) is formed in the upper end ofthe oil inlet cavity (16), and an oil release hole (1) is formed in the lower end of the oil release cavity (17); a control rod (4) is arranged in the center of the oil cylinder (2) in the axial direction; and the piston (7) is arranged on the control rod (4) in a sleeving manner through a sleeve hole, and a compression spring (5) is arranged between the lower portion of the piston (7) and the bottom of the oil cylinder (2). According to the diesel engine energy storage and flow dividing starting device, when a diesel engine reaches the ignition rotating speed or before and after the diesel engine reaches the ignition rotating speed, oil starts to be supplied to the diesel engine; and when a servo motor starts to supply oil to the diesel engine, the speed increased by the stroke of the servo motor can be reduced, the speed of oil supply from a high pressure oil pump to the diesel engine is reduced, and the starting performance of the diesel engine is improved.

Description

technical field [0001] The invention relates to a starting device for a diesel engine, in particular to an energy storage and split flow starting device for a diesel engine, which is an energy storage and split flow starting device for a diesel engine that adjusts the fuel supply of the diesel engine by hydraulically controlling the stroke of a servo motor. Background technique [0002] As a kind of power device, diesel engine is widely used in various fields of military and civilian use. For diesel engines that require high precision in power and diesel engine speed control, a control method that controls the stroke of the high-pressure oil pump to adjust the fuel supply of the diesel engine is generally adopted by hydraulically controlling the stroke of the servo motor. For diesel engines with this control method, due to design problems during the start-up process of the diesel engine, the servo motor will generally start to supply oil to the diesel engine before the diese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M59/34F02M59/44
CPCF02M59/34F02M59/44
Inventor 章仕明龚光彩言树清
Owner 长沙燕净生物工程有限公司
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