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a thermostat

A thermostat and housing technology, applied in the direction of machine/engine, coolant flow control, engine components, etc., can solve the problem that the thermostat cannot respond quickly to changes in engine operating conditions, so as to improve fuel economy and avoid Misoperation, the effect of improving control accuracy

Active Publication Date: 2015-12-16
北京汽车动力总成有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems existing in the prior art, the thermostat of the present invention adopts a design scheme integrated with the interfaces of each cooling pipeline, which is convenient for disassembly and assembly, and reduces misoperation during installation, and adopts a thermostat that can be electronically controlled An electronic thermostat controlled by the control unit of the system to solve the problem that the existing thermostat cannot respond quickly to changes in engine operating conditions

Method used

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Embodiment Construction

[0040] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0041] The invention provides a thermostat, such as figure 1 with figure 2 shown, which includes:

[0042] The housing assembly includes a housing 100, a water inlet 101 provided on the housing 100 for communicating with the water outlet of the water jacket, and a first outlet provided on the housing 100 for communicating with the radiator water supply pipe. The water port 102, and the second water outlet 103 provided on the casing 100 for connecting with the water supply pipe of the water pump; and,

[0043] The thermostat valve assembly 200 for controlling the opening and closing of the first water outlet 102 and / or the second water outlet 103 is integrally installed inside the casing 100 .

[0044] In the the...

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Abstract

The invention provides a thermostat. The thermostat comprises a shell assembly and a thermostat valve assembly, wherein the shell assembly comprises a shell, a water inlet formed in the shell and communicated with a water outlet pipe of a water jacket, a first water outlet formed in the shell and communicated with a water supply pipe of a heat dissipater, and a second water outlet formed in the shell and connected with a water supply pipe of a water pump, and the thermostat valve assembly is used for controlling the first water outlet and / or the second water outlet to be opened and closed and installed in the shell in an integrated mode. According to the thermostat, the thermostat body and the shell are designed in an integrated mode, an independent valve base is not needed, parts are reduced, cost is reduced, installing efficiency is improved, and error operation is avoided; an ECU of an electronic control system controls an electric heating element for heating when operating conditions of an engine change, the response speed of the thermostat for changes of the operating conditions of the engine is increased, the control accuracy is improved, and the control effect is good; the work temperature can exceed 110 DEG C, and the fuel economy and the emission performance of the engine are improved.

Description

technical field [0001] The invention relates to a thermostat of an engine cooling system, in particular to an electronic thermostat. Background technique [0002] Most of the existing thermostats do not have a housing, and the thermostat needs to be placed in a certain cavity of the cylinder body or the cylinder head first, and then the housing is installed. In this process, if the thermostat is not placed properly, it may have a bad effect on the cooling performance of the engine, and there is a possibility of misoperation. [0003] In addition, existing thermostats have only one set of operating characteristic curves (temperature-lift relationship curves). The working temperature is low, the initial opening temperature is generally around 80°C, and the full opening temperature is generally around 95°C, and the opening / closing of the thermostat is only controlled by the internal temperature-sensing wax. In order to increase the temperature-sensing performance, the temperat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P7/16
Inventor 温雯张艳青贺燕铭马童立李红强周启顺赵锦伦
Owner 北京汽车动力总成有限公司