Patent · US Active

Compositions and methods for injection of sealants and/or drying agents into air conditioning and refrigeration systems

US9435574B2 · kind B2 · utility

1Cited by

46References

15Claims

0Family size

Assignee

Cliplight Holdings, Ltd. · CA

Inventors

Paul Appler · Windsor, CA
George E. Cranton · London, CA
Jack Brass · Vaughan, CA

Key dates

Filing date	Feb 21, 2014
Grant date	Sep 6, 2016
Priority date	—
Expiry date	Mar 31, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF25B2500/221
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method for maintaining a charged and pressurized air conditioning or refrigeration system, such method including introducing into the system fluid of the air conditioning or refrigeration system a hydrolytic drying agent, and distributing the hydrolytic drying agent throughout the system fluid; methods of maintaining a charged and pressurized air conditioning or refrigeration system including introducing a hydrolytic drying agent and a sealing agent; devices for maintaining a charged and pressurized air conditioning or refrigeration system which include a sealed vessel containing a hydrolytic drying agent and a sealant; kits for the same.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.