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Liquid flow sensor and machinery including the same

A liquid flow and sensor technology, applied in the field of scroll compressors, can solve problems such as insufficient supply of lubricating oil, affecting mechanical efficiency and service life, and achieve the effects of reducing material costs, flexible layout, and strong environmental adaptability

Active Publication Date: 2016-09-07
EMERSON CLIMATE TECH (SUZHOU) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For many reasons, undersupply of lubricating oil can occur in the lubrication system, which affects the efficiency and service life of the machinery

Method used

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  • Liquid flow sensor and machinery including the same
  • Liquid flow sensor and machinery including the same
  • Liquid flow sensor and machinery including the same

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Embodiment Construction

[0050] The following description of preferred embodiments is exemplary only and in no way restricts the invention and its application or usage.

[0051] The following will refer to figure 1 A basic configuration of a rotary compressor 10 in which a liquid flow sensor 100 according to a preferred embodiment of the present invention is employed is described. After reading this description, those skilled in the art will understand that the liquid flow sensor according to the present invention is not limited to applications in figure 1 The rotary compressor shown, but can be applied to all machinery with a lubrication system to detect whether the oil supply is sufficient, even not limited to the application in the lubrication system, but can be used to detect whether the flow rate of other liquids reaches the predetermined flow.

[0052] The rotary compressor 10 includes a cylindrical housing 20 . A detachable front cover 30 is provided at one end of the housing 20 , and a deta...

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Abstract

The invention provides a liquid flow sensor. The liquid flow sensor comprises a shell, a liquid storage component, an elastic element and a circuit part. The shell is provided with a liquid inlet and a liquid outlet. The liquid storage component receives liquid coming from the liquid inlet and is provided with a first discharge part located on the lower portion. The elastic element can exert upward offset force on the liquid storage component, so that under the situation that the inflow amount of liquid entering the liquid flow sensor is smaller than the preset flow, the liquid storage component can move upwards; and under the situation that the inflow amount is larger than or equal to the preset flow, the liquid storage component can move downwards. The circuit part can respond to the upward or downward movement of the liquid storage component to be switched between the closed state and the opened state. The invention further provides a machine, such as a vortex compressor, using the sensor in a lubricating system. The liquid flow sensor is high in reliability, high in environment adaptability, low in cost, flexible in layout, high in sensitivity and capable of directly reflecting the oil supply situation.

Description

technical field [0001] The present invention relates to a liquid flow sensor, and a machine using the sensor in a lubrication system, such as a scroll compressor. Background technique [0002] Lubrication systems are used in many machines to ensure that the various moving parts in the machine are fully lubricated. For many reasons, undersupply of lubricating oil can occur in the lubrication system, which affects the efficiency and service life of the machinery. Usually, a liquid level sensor is used in a lubrication system to detect the amount of oil in a lubricating oil pool, and when it is detected that the amount of oil is lower than a predetermined value, an alarm needs to be issued in time so that the machine can be protected. Contents of the invention [0003] The technical problem to be solved in the present invention [0004] For example, in the lubrication system of refrigeration or air-conditioning compressors, there are special requirements for the lubricating...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C28/28F04C29/02
Inventor 毛春智徐恺江超刘敬辉
Owner EMERSON CLIMATE TECH (SUZHOU) CO LTD
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