F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/14
F16L 39/00 (2006.01) B60H 1/00 (2006.01)
Patent
CA 2017947
ABSTRACT OF THE DISCLOSURE A rotary fluid swivel for use with a cab heating system of a large construction vehicle is disclosed. The cab of the vehicle may be rotated through 360 degrees with respect to the vehicle frame. The cab heating system utilizes heated fluid from an engine mounted within the frame. The heated fluid just pass into the cab to heat the cab and must then be returned back to the engine. The rotary fluid swivel consists of a first fixed boss portion extending upwardly from the vehicle frame and a second spindle portion mounted to the cab. The spindle portion is rotatable about the boss portion and includes several channels. The boss portion includes a central conduit for passage of fluid from the engine to the cab heating unit and an outer conduit for return of the fluid to the engine. Branch conduits extend outwardly from the return line to the channels within the spindle to provide sealing fluid that will also create a fluid bearing and will cool the outer periphery of the boss, thus preventing the boss from deforming to an undesirable extent.
Case (j.i.) Company
Gowling Lafleur Henderson Llp
Heyne Dennis J.
LandOfFree
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