Refrigerant charging/pressure testing hose assembly
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United States of America Patent
Stats
-
N/A
Issued Date -
Apr 29, 2004
app pub date -
Jun 2, 2003
filing date -
Oct 24, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A refrigerant charging/pressure testing hose assembly meeting SAE standard J2196 is useable to both (1) check the pressure in a refrigerant circuit and, (2) if necessary, add refrigerant to the circuit. The assembly includes a length of refrigerant charging hose having a quick disconnect coupler disposed at one end and connectable to a service fitting portion of the circuit, a piercing-type shutoff valve disposed at the other hose end and connectable to a refrigerant charging canister, a pressure gauge installed in a longitudinally intermediate portion of the hose, and a check valve installed in the hose between the shutoff valve and the pressure gauge and permitting flow through the hose only toward the quick coupler.
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