A kind of fuel system and fuel system protection method

A fuel system and oil-water separator technology, which is applied to the charging system, liquid fuel feeder, machine/engine, etc., can solve the problems of water and impurities entering, water discharge operation is not simple enough, time-consuming and labor-intensive, etc.

Active Publication Date: 2022-01-04
HANGCHA GRP
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Problems solved by technology

[0002] In the forklift market, there are a lot of diesel purchased from informal channels. Forklift users use irregular oil and mix oil tanks, resulting in poor quality diesel oil. Forklift users have poor awareness of equipment maintenance, and the operation of draining water is not easy enough. The oil-water separator is drained for maintenance, causing impurities and water to enter the engine oil pump, clogging, grinding and rusting the fuel system, and causing engine failure
[0003] The existing oil-water separator needs to be manually operated during the water discharge process. Due to the small operating space of the oil-water separator, manual water discharge is time-consuming and laborious; in addition, in the existing fuel system structure, during the use of the oil-water separator, oil separation Failure to release water in time will cause moisture and impurities to enter the engine fuel system, causing engine failure and reducing the service life of the engine

Method used

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  • A kind of fuel system and fuel system protection method
  • A kind of fuel system and fuel system protection method
  • A kind of fuel system and fuel system protection method

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Embodiment Construction

[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0057] The core of the present invention is to provide a fuel system protection method, which can obtain the water level signal, pressure signal and moisture content signal in the oil-water separator, and control the oil-water separator according to the obtained water level signal, pressure signal and moisture content signal. The state is judged, and the working mode of the engine is controlled according to the state of the oil-water separator, which ensures th...

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Abstract

The invention discloses a fuel system and a method for protecting the fuel system. The method for protecting the fuel system includes: obtaining a water level signal, a pressure signal and a water content signal in an oil-water separator; The state of the oil-water separator is judged. Only when the water level signal, pressure signal and moisture content signal meet the requirements, can the engine be controlled to work normally; Speed ​​limit and torque limit mode. The oil-water separator can be drained and maintained in time, which ensures the normal operation of the oil-water separator and improves the protection of the engine.

Description

technical field [0001] The invention relates to the technical field of engines, and more specifically relates to a method for protecting a fuel system. In addition, the present invention also relates to a fuel system for implementing the above fuel system protection method. Background technique [0002] In the forklift market, there are a lot of diesel purchased from informal channels. Forklift users use irregular oil and mix oil tanks, resulting in poor quality diesel oil. Forklift users have poor awareness of equipment maintenance, and the operation of draining water is not easy enough. The oil-water separator is drained for maintenance, causing impurities and water to enter the engine oil pump, clogging, grinding and rusting the fuel system, and causing engine failure. [0003] The existing oil-water separator needs to be manually operated during the water discharge process. Due to the small operating space of the oil-water separator, manual water discharge is time-consu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M37/28
CPCF02M37/28
Inventor 陈翔宇谭雅仙吴胜军裴有志邢俊旺
Owner HANGCHA GRP
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