VACUUM PUMP FOR USE DURING MAINTENANCE OR COMMISSIONING OF AN HVAC-R SYSTEM, ADAPTER FOR A VACUUM PUMP, AND A METHOD OF PERFORMING A VACUUM TEST ON AN HVAC-R SYSTEM - Patent 3977025

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EP 3 977 025 A1

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(43)	Date of publication:
	06.04.2022 Bulletin 2022/14

(21)	Application number: 20729151.9

(22)	Date of filing: 20.05.2020

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International Patent Classification (IPC):

F25B 1/00^(2006.01)
F25B 41/04^(2006.01)

F25B 41/00^(2021.01)

(52)	Cooperative Patent Classification (CPC):
	F25B 2345/002; F25B 2345/003; F25B 2345/005; F25B 2345/006; F25B 2500/27; F25B 2600/2519; F25B 2700/19; F25B 41/40

(86)	International application number:
	PCT/GB2020/051223

(87)	International publication number:
	WO 2020/240158 (03.12.2020 Gazette 2020/49)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
	Designated Extension States:
	BA ME
	Designated Validation States:
	KH MA MD TN

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Priority:

30.05.2019 GB 201907682

(71)	Applicant: Aspen Pumps Limited
	Hailsham, East Sussex BN27 3WA (GB)

(72)	Inventors:
	MILNER, Merlin Hailsham East Sussex BN27 3WA (GB) FORSHAW, Chris Hailsham East Sussex BN27 3WA (GB)

(74)	Representative: HGF
	HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)

(54)	VACUUM PUMP FOR USE DURING MAINTENANCE OR COMMISSIONING OF AN HVAC-R SYSTEM, ADAPTER FOR A VACUUM PUMP, AND A METHOD OF PERFORMING A VACUUM TEST ON AN HVAC-R SYSTEM