Refrigeration system valved fitting

Claim 2

A valved fitting for refrigeration systems characterized by ease of access thereto comprising, in combination, an elongated tubular manifold having an axis, an elongated wall and first and second ends, an elongated tubular internally threaded shutoff valve receiving stem mounted on said manifold in communication therewith having an axis radial to said manifold axis and an open end, a flow passage defined on said manifold selectively communicating therewith substantially radially disposed to said manifold axis and in axial alignment with said valve receiving stem, said valve receiving stem and flow passage located adjacent said first manifold end, a valve seat defined in said manifold adjacent said flow passage, a threaded valve threadedly received within said manifold in alignment with said stem and selectively engageable with said valve seat upon radial movement with respect to said manifold axis controlling flow between said manifold and flow passage, said valve being accessible through said open end for radial adjustment thereof with respect to said manifold axis, an elongated tubular conduit fitting stem mounted upon said manifold in communication therewith adjacent said second end having an axis radial to said manifold axis and in axial spaced relation to said valve receiving stem, said conduit fitting stem including conduit mounting means for mounting a conduit thereon in coaxial relationship therewith, the axes of said stems being parallel and coplanar whereby access to said valve and attachment of a conduit to said fitting are in a common radial direction and plane with respect to said manifold axis, and a mounting surface defined on said manifold.

Claim 3

In a valved fitting for refrigeration systems as in claim 1, a charging stem mounted on said manifold in communication therewith and axially spaced on said manifold from said valve receiving and said conduit fitting stems, said charging stem having a radial axis projecting from said manifold in the same plane and same radial direction as said valve receiving and conduit fitting stems.

Claim 4

A valved fitting for refrigeration systems characterized by ease of access thereto comprising, in combination, an elongated tubular manifold having an axis, an axial passage, an elongated wall and first and second ends, said first end being closed, said passage intersecting said second end, a removable end cap closing said passage at said second end, an elongated tubular shutoff valve receiving stem defined on said manifold wall adjacent said first end communicating with said passage and radially disposed to said manifold axis, said stem having an open outer end, a cylindrical sealing wall adjacent said open end and internally threaded adjacent said passage, a flow passage defined in said manifold selectively communicating therewith and in axial alignment with said valve receiving stem and on the opposite side of said axis, an annular valve seat defined in said manifold within said flow passage, a valve threadedly received within said manifold in alignment with said stem sealingly engaging said sealing wall and selectively engageable with said valve seat controlling flow between said manifold and flow passages, said valve being confined within said manifold and stem and accessible for adjustment through said stem open outer end, valve movement limiting means within said stem preventing inadvertent removal of said valve from said stem, an elongated conduit fitting stem defined on said manifold wall axially spaced thereon from said valve receiving stem adjacent said second end and communicating with said manifold passage and radially disposed to said manifold axis including conduit mounting means for mounting a conduit thereon in coaxial relationship therewith, a charging stem defined on said manifold wall axially spaced thereon intermediate said valve receiving and conduit fitting stems communicAting with said manifold passage and radially disposed to said manifold axis, a check valve within said charging stem, said stems each having an axis and extending from said manifold wall in a common radial direction, said stem axes being substantially parallel and coplanar, and at least one flat mounting surface defined on said fitting perpendicular to the plane in which said stem axes lie and facing in the radial direction in which said stems extend from said manifold wall.

Claim 5

A valved fitting for refrigeration systems characterized by ease of access thereto comprising, in combination, an elongated tubular manifold having an axis, an axial passage, an elongated wall and first and second ends, said first end being closed, said passage intersecting said second end, a removable end cap closing said passage at said second end, an elongated tubular shutoff valve receiving stem defined on said manifold wall adjacent said first end communicating with said passage and radially disposed to said manifold axis, said stem having an open outer end, a cylindrical sealing wall adjacent said open end and internally threaded adjacent said passage, a flow passage defined in said manifold selectively communicating therewith and in axial alignment with said valve receiving stem and on the opposite side of said axis, an annular valve seat defined in said manifold within said flow passage, a valve threadedly received within said manifold in alignment with said stem sealingly engaging said sealing wall and selectively engageable with said valve seat controlling flow between said manifold and flow passages, said valve being confined within said manifold and stem and accessible for adjustment through said stem open outer end, valve movement limiting means within said stem preventing inadvertent removal of said valve from said stem, an elongated conduit fitting stem defined on said manifold wall axially spaced thereon from said valve receiving stem adjacent said second end and communicating with said manifold passage and radially disposed to said manifold axis including conduit mounting means for mounting a conduit thereon in coaxial relationship therewith, a charging stem defined on said manifold wall axially spaced thereon intermediate said valve receiving and conduit fitting stems communicAting with said manifold passage and radially disposed to said manifold axis, a check valve within said charging stem, said stems each having an axis and extending from said manifold wall in a common radial direction, said stem axes being substantially parallel and coplanar, and at least one flat mounting surface defined on said fitting perpendicular to the plane in which said stem axes lie and facing in the radial direction in which said stems extend from said manifold wall.

Claim 6

In a valved fitting for refrigeration systems as in claim 3, exterior threads defined on said charging stem, a mounting surface defined on each of said valve receiving and conduit fitting stems, and a nut received on said charging stem.

Claim 7

In a valved fitting for refrigeration systems as in claim 3, a removable orificed plug mounted within said conduit fitting stem controlling fluid flow therethrough.

Claim 8

In a valved fitting for refrigeration systems as in claim 3, a filter screen within said manifold passage intermediate said conduit fitting stem and said flow passage filtering fluid flowing through said manifold, said removable end cap providing access to said filter screen.

Claim 9

In a valved fitting for refrigeration systems as in claim 3, threads exteriorly defined on said valve receiving stem, and a threaded cap threaded upon said valve receiving stem enclosing said stem open outer end, said cap requiring removal for access to said valve, and engageable sealing means defined on said valve receiving stem and cap sealing said stem upon tightening of said cap thereon.

Claim 10

In a valved fitting for refrigeration systems as in claim 7, threads exteriorly defined on said conduit fitting stem, an annular compression nut threaded upon said fitting stem, and an annular conduit compression member mounted on said fitting stem for compression by said nut.