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System and method for recovering refrigerant

A refrigeration system, refrigerant technology, applied in the direction of refrigerant, refrigeration and liquefaction, refrigerator, etc., can solve the problem of increasing the initial and maintenance cost of ACS unit

Active Publication Date: 2020-11-10
BOSCH AUTOMOTIVE SERVICE SOLUTIONS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additional valves require more piping, wiring and mechanisms, all of which increase the initial and maintenance cost of the ACS unit
Additionally, the cleanup operation takes extra time to complete, adding a minute or more to the recovery operation time on some systems

Method used

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  • System and method for recovering refrigerant
  • System and method for recovering refrigerant
  • System and method for recovering refrigerant

Examples

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Embodiment Construction

[0045] To assist in understanding the principles of the embodiments described herein, reference numerals are provided in the drawings and descriptions set forth below. Reference signs are not intended to limit the scope of the subject matter. This disclosure also includes any changes and modifications of the illustrated embodiments, and includes other applications of the principles of the described embodiments that occur to those of ordinary skill in the art to which this document pertains.

[0046] figure 1 is an illustration of an air conditioning maintenance ("ACS") system 10 in accordance with the present disclosure. The ACS unit 10 includes a refrigerant vessel or internal storage vessel (“ISV”) 14 , a manifold block 16 , a compressor 18 , a control module 20 and a housing 22 . The exterior of the control module 20 (also referred to herein as a controller) includes an input / output unit 26 for inputting control commands by a user and outputting information to the user. ...

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Abstract

An air conditioning service system includes a plurality of conduits and voids defining a total refrigerant receiving volume of the air conditioning service system, a pressure transducer configured to sense a pressure at a first location in the plurality of conduits and voids, a compressor operably connected to the plurality of conduits and voids, and a controller. The controller determines a quantity of refrigerant recovered from a refrigeration system by obtaining a first pressure signal from the pressure transducer corresponding to a first pressure at the first location, operating the compressor to recover the refrigerant from the refrigeration system after the first pressure is sensed, obtaining a second pressure signal from the pressure transducer corresponding to a second pressure at the first location after operating the compressor, and determining an amount of refrigerant recovered from the refrigeration system based on the first pressure signal an the second pressure signal.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 62 / 098,129, filed December 30, 2014, entitled "System and Method for Recovering Refrigerant," the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates generally to refrigeration systems, and more particularly to refrigerant recovery systems for refrigeration systems. Background technique [0004] Air conditioning systems are now commonplace in homes, office buildings and various vehicles such as cars. Over time, the refrigerant contained in these systems can become depleted and / or contaminated. Therefore, in order to maintain the overall efficiency and efficacy of the air conditioning system, the refrigerant contained therein may be replaced or recharged periodically. [0005] Portable carts, also known as recovery, recycle, recharge ("RRR") refrigerant maintenance carts or ai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B45/00
CPCF25B45/00F25B2345/002F25B2345/001F25B2345/003F25B2345/0052F25B2345/006F25B2345/007
Inventor W·C·布朗D·M·伦德伯格M·W·麦克马斯特斯J·汉森
Owner BOSCH AUTOMOTIVE SERVICE SOLUTIONS
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