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US 6,439,301 B1Granted
Heat Exchangers
AssigneeRafael-Armament Development Authority Ltd.
InventorBen-Zion Maytal
Life of this patent
Estimating the term…
Abstract
The invention relates to a heat exchanger, which includes a pipe, heat conductive fins having an elongate cross-section, and a coating of silver applied to the outer surface of the fins and the outer surface of the pipe adjacent to the fins. The fins of the heat exchanger, are a metal wire helically wound around the pipe, are connected to the pipe solely by the coating of silver.
Claims18
Heat exchanger for apparatus operating by the Joule-Thompson cycle, comprising:
- a high-pressure pipe;
- heat-conductive fins having opposing faces, the fins being juxtaposed to an outer surface of the pipe;
- a coating of silver applied to an outer surface of the fins and to the outer surface of the pipe adjacent to opposing face of the fins, the fins being connected to the pipe by the coating of silver;
- and
- wherein the heat conductive fins have a rectangular cross-section having a length and a width, the length being greater than the width, the opposing faces extending along the width of the fins and the fin being connected to the pipe along a width of the fins.
2 more elements
Heat exchanger for apparatus operating by the Joule-Thompson cycle, comprising:
- a high-pressure pipe;
- heat-conductive fins having an elongate cross-section which has a length and a width, the fins being juxtaposed to the outer surface of the pipe along the fin width;
- and
- a coating of silver applied to an outer surface of the fins and to the outer surface of the pipe adjacent the fins, the fins being connected to the pipe by the coating of silver.
1 more element
Heat exchanger, comprising:
- a pipe;
- substantially planar, elongate heat-conductive fins having a rectangular cross section, the cross section having a length and a width, the length being greater than the width, and opposing first and second faces along the fin length, the fin being juxtaposed to an outer surface of the pipe along the fin width;
- and
- a coating of silver applied to an outer surface of the fins and to the outer surface of the pipe adjacent to the first and second faces of the fins, the fins being connected to the pipe solely by the coating of silver.
1 more element
Heat exchanger, comprising:
- a pipe;
- heat-conductive fins having an elongate cross-section, the cross-section having a length and a width, the length begin greater than the width, and opposing first and second faces along the fin length, the fin being juxtaposed to the outer surface of the pipe along the fin width;
- and
- a coating of silver applied to an outer surface of the fins and to the outer surface of the pipe adjacent to the fins, the fins being connected to the pipe solely by the coating of silver.
1 more element
Dependencies are inferred from the claim text.