Rotary union for automatic tire inflation system
AssigneeEqualaire Systems, Inc.
InventorMark Kevin Hennig
Life of this patent
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Abstract
A rotary union for a tire inflation system may comprise a stator and a rotor assembly, and may be contained entirely within the space formed by a hubcap and wheel end. The rotor assembly may be mounted to the interior of a hubcap. The rotor assembly may comprise a tube that extends into the stator. The tube may be sealed in the rotor assembly by a first annular seal, and may be sealed in the stator by a second annular seal.
Claims33
A rotary union comprising:
- a stator having a first fluid channel disposed therethrough;
- a first annular seal disposed within the first fluid channel;
- a rotor body having a second fluid channel disposed therethrough, the rotor body being configured for removable mounting to the interior of a hubcap, the hubcap having a third fluid channel disposed in the hubcap, such that the second fluid channel is in sealed fluid communication with the third fluid channel when the rotor body is mounted to the hubcap;
- a second annular seal disposed in the second fluid channel;
- and
- a tube sealingly disposed in the first annular seal and the second annular seal.
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A rotary union comprising:
- a stator;
- and
- a rotor assembly comprising a hub cap and a tube sealingly and rotatably disposed in the interior of the hubcap, wherein the tube is sealingly and rotatably coupled to the stator.
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A hubcap having a fluid channel, the hubcap comprising:
- an annular seal disposed in the fluid channel;
- and
- a tube located within the interior of the hubcap, and having an end sealingly and rotatably disposed within the annular seal.
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Dependencies are inferred from the claim text.