Method of manufacturing an exhaust emission control device
AssigneeDelphi Technologies, Inc.
InventorsJeffrey B. Hardesty, John C. Boehnke
Life of this patent
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Abstract
In one embodiment, a method for manufacturing a device comprises disposing a first end around a second end, disposing an induction coil around the first end, discharging a current through the induction coil, forming eddy currents on the surface of the first end, and magnetic impulse sizing the first end and the second end together. The first end disposed around the second end comprises a tube end disposed around an end of the device or the first end disposed around the second end comprises the device end disposed around the tube end.
Claims15
A method for manufacturing an exhaust emission control device, comprising:
- disposing a first end around a second end;
- disposing an induction coil around the first end;
- discharging a current through the induction coil;
- forming eddy currents on the surface of the first end;
- and
- magnetic impulse sizing the first end and the second end together;
- wherein the first end disposed around the second end and wherein the first end or the second end comprises an exhaust emission control device end.
A method for manufacturing an exhaust emission control device, comprising:
- disposing a substrate within a shell;
- disposing an induction coil around the shell;
- discharging a current through the induction coil;
- forming eddy currents on the surface of the shell;
- and
- magnetic impulse sizing or welding the shell about the substrate.
A method for manufacturing an exhaust emission control device comprising:
- disposing a first end around a second end;
- disposing an induction coil around the first end;
- discharging a current through the induction coil;
- forming eddy currents on the surface of the first end;
- and
- magnetic impulse welding the first end and the second end together;
- wherein the first end disposed around the second end comprises an end component disposed around an end of a shell or wherein the first end disposed around the second end comprises the shell end disposed around the end component, and wherein the end component is selected from the group consisting of endplates and endcones.
Dependencies are inferred from the claim text.