DEVICE FOR PREVENTING REFRIGERANT LEAKS IN AIR CONDITIONING SYSTEM SERVICE PORTS
First Claim
1. A device for preventing refrigerant leaks in air conditioning system service ports, the device comprising:
- a coupler to be coupled to an air conditioning system service port;
a main body having a longitudinal direction and being disposed adjacent said coupler in said longitudinal direction;
a stem movable inside said main body in said longitudinal direction;
a sealing element adjacent said stem;
a head fastened to said main body, said head having an internal thread; and
a handle having a shaft with an external thread to be screwed into said internal thread of said head, said shaft having a free end remote from said handle for contacting said stem and pushing said sealing element adjacent said stem against an end of the service port upon turning said handle.
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Accused Products
Abstract
A device for preventing refrigerant leaks in air conditioning system service ports includes a coupler to be coupled to the service port. A main body has a longitudinal direction and is disposed adjacent the coupler in the longitudinal direction. A stem is movable inside the main body in the longitudinal direction. A sealing element is disposed adjacent the stem. A head which is fastened to the main body has an internal thread, and a handle has a shaft with an external thread to be screwed into the internal thread of the head. The shaft has a free end remote from the handle for contacting the stem and pushing the sealing element adjacent the stem against an end of the service port upon turning the handle.
13 Citations
13 Claims
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1. A device for preventing refrigerant leaks in air conditioning system service ports, the device comprising:
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a coupler to be coupled to an air conditioning system service port; a main body having a longitudinal direction and being disposed adjacent said coupler in said longitudinal direction; a stem movable inside said main body in said longitudinal direction; a sealing element adjacent said stem; a head fastened to said main body, said head having an internal thread; and a handle having a shaft with an external thread to be screwed into said internal thread of said head, said shaft having a free end remote from said handle for contacting said stem and pushing said sealing element adjacent said stem against an end of the service port upon turning said handle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification