Patent ID: 11884482
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 10:
11. A tailgate assembly, comprising:
a tailgate;
a tailgate hinge that is operable to attach the tailgate to a vacuum tank such that the tailgate is movable between an open position and a closed position, the vacuum tank operable to withstand vacuum pressure when the tailgate is in the closed position;
a tailgate warming tube loop attached to an interior surface of the tailgate to circulate a heated fluid through the tailgate warming tube loop wherein the heating fluid enters the tailgate warming tube loop through an entrance and exits the tailgate warming tube loop through an exit, wherein the tailgate is constructed from a steel with a ductile brittle transition temperature less than −50 degrees Celsius; and
a first rear pipe flange that comprises a first rear pipe flange warming channel connected to the tailgate warming loop.