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Open-loop adjusting control device for oil supply switching of combined pump

An open-loop adjustment and control device technology, applied in the direction of charging system, engine components, liquid fuel feeder, etc., can solve the problems of single gear pump mechanical power loss, adjustment and control device can not be used, etc., to reduce the loss of mechanical efficiency , improve the service life and ensure the effect of work safety

Active Publication Date: 2022-02-11
XIAN AERO ENGINE CONTROLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: To provide a fuel regulation system that performs open-loop control of the fuel supply of the combined pump through a solenoid valve, which can meet the needs of switching fuel oil in the combined pump state; solve the fuel control system in the small flow state. The mechanical power loss of the single gear pump and the problem that the existing regulating control device cannot be used in the oil supply system of the combined pump

Method used

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  • Open-loop adjusting control device for oil supply switching of combined pump
  • Open-loop adjusting control device for oil supply switching of combined pump

Examples

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Embodiment Construction

[0020] This embodiment provides an open-loop adjustment control device for oil supply switching of combined pumps, the open-loop adjustment control device includes a first gear pump 8, a second gear pump 9, a pump switching valve 10, and a constant pressure valve 11 , Oil return valve 12, switching valve 13 and pump switching solenoid valve 14.

[0021] Wherein, the first gear pump 8, the pump switching valve 10 and the constant pressure valve 11 are connected in sequence; the second gear pump 9, the pump switching valve 10 and the constant pressure valve 11 are connected in sequence; the second gear pump 9 is connected with the oil return valve 12; The oil return valve 12 returns to the front of the first gear pump 8 and the second gear pump 9; the conversion valve 13 communicates with the oil return valve 12, the pump switching valve 10 and the constant pressure valve 11 respectively; the pump switching solenoid valve 14 communicates with the constant pressure valve 11 , Con...

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Abstract

The invention belongs to the field of mechanical hydraulic control devices, and relates to the aspect of reducing heat efficiency loss of a system, in particular to an open-loop adjusting control device for switching and selecting oil supply of a combined pump. The open-loop adjusting control device comprises a first gear pump (8), a second gear pump (9), a pump switching valve (10), a constant pressure valve (11), an oil return valve (12), a switching valve (13) and a pump switching electromagnetic valve (14). According to the invention, the use requirement of switching fuel oil in a combined pump state can be met; and the problems that the mechanical power of a single gear pump is lost and an existing adjusting control device cannot be used in a combined pump oil supply system when a fuel oil control system is required in a small flow state are solved.

Description

technical field [0001] The invention belongs to the field of mechanical hydraulic control devices, relates to the aspect of reducing thermal efficiency loss of a system, and in particular relates to an open-loop adjustment control device for switching and selecting oil supply of a combined pump. Background technique [0002] The existing fuel adjustment control device is generally suitable for adjusting the quantitative oil provided by the single gear pump, and cannot adjust the fuel supply of the combined pump. In the state of small flow demand, the fuel cannot be used effectively, which will cause the temperature of the system to rise and the mechanical power loss of the pump. [0003] refer to figure 1 , The existing fuel adjustment control device system includes: constant pressure valve 1, electro-hydraulic servo valve 2, oil return valve 3, metering valve 4, differential pressure valve 5 and gear pump 6. The oil supply inlet 1 of the main pump is high pressure oil; th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M37/00F02M37/04
CPCF02M37/0047F02M37/0023F02M37/041
Inventor 任奕萱李雪鹏刘益欣胡肖璐李培良李娜
Owner XIAN AERO ENGINE CONTROLS
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