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Sensor free heated hose

A hose, heating element technology, applied in the case of the overall content,
Background technique
In this area, problems such as application failure, product invalid application, etc. can be solved

Pending Publication Date: 2022-01-07
GRACO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some low temperature environments, the physical properties of the fluid can change during application, resulting in application failure or application that renders the product ineffective
[0005] In existing heated fluid delivery systems, the fluid temperature sensor is susceptible to physical damage during use and provides a potential point of failure within the fluid distribution system

Method used

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  • Sensor free heated hose
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] figure 1 It is a perspective view of a fluid dispensing system 10, and illustrates the control unit 12, supply line 14, hose 16 (having a length L H ) And the spray gun 18.

[0014] System 10 is a fluid management system. In this example, the system 10 is a system for spraying polyurethane foam and polyurea coatings. The control unit 12 is a module for controlling fluid flow through the system 10. In this example, the control unit 12 is a multi-component proportional regulator. In one non-limiting embodiment, the control unit 12 may include a power supply, temperature sensors, resistive sensors, amperometric, fluid compressor, motor and / or the fluid supply tank. Supply line 14 and hose 16 is in the form of an elongated tube fluid hose. In this example, the hose 16 is heated hose. Length L H 16 is the length of the hose. Lance 18 is configured to control the fluid output from the accessory hose 16.

[0015] Supply line 14 is attached to and fluidly connected to the contro...

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PUM

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Abstract

A method of regulating a temperature of a fluid within a hose of a fluid dispensing system includes passing the fluid through the hose and across a heating element. A temperature of the fluid in the hose is sensed by the heating element. The sensed temperature of the fluid in the hose is compared to a reference temperature. An input of the heating element is adjusted in response to the comparison of the sensed temperature of the fluid in the hose to the reference temperature such that the temperature of the fluid is adjusted towards the reference temperature.

Description

[0001] Cross-reference related application [0002] This application claims the N.Peterson, M.Brudevold, B.Godding, J.Tix and M.Weinberger on May 31, 2019 entitled "No sensor heating hose" of US Provisional Application No.62 / 855,501 priority. Background technique [0003] The present disclosure generally relates to a heating fluid delivery systems, and more particularly to a heated hose. [0004] For fluid delivery system application requires delivery of fluid by tube exposed to ambient temperature, the ambient temperature may adversely reduce the temperature of the fluid in the hose, such that the fluid is not valid for a particular application. For example, by applying it may involve one or more reaction fluid pumping root exposed to different ambient temperatures of the hose spray foam insulation. , The physical characteristics of the fluid may change during the application process in some low-temperature environment, leading to failure or applied to cause the product to be ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/58B05B7/16B05B9/00F16L53/38F24H1/10F24H9/20H05B1/02H05B3/00H05B3/12
CPCH05B3/58F16L53/38F24H1/102H05B1/0244H05B3/0019B05B7/1693B05B9/002F24H9/2028H05B3/12H05B2203/035F24H15/25F24H15/37
Inventor 尼古拉斯·P·帕得森马克·J·布鲁德沃尔德本杰明·R·戈丁约瑟夫·E·提克斯马克·T·温伯格
Owner GRACO INC
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