Back to results
US 2007/0182241 A1Published application
Pressurized wheel hub system
AssigneeAir Tight
InventorsHenry Dombroski, Anthony Cunningham
Life of this patent
Estimating the term…
Abstract
A system for pressurizing wheel hub formed from an air-tight sealing arrangement located on each end of a wheel hub to form a closed air system in the interior of the wheel hub. The closed air system fluidly coupled to a DC power air compressor or pressurized air tank for receiving pressurized air. A pressure gauge provides a visual indication of the air pressure in the closed air system whereby a breached seal condition within the wheel hub can be detected.
Claims14
A pressurized wheel hub system comprising:
- a compressor for producing pressurized air;
- a pressure switch for controlling said pressurized air;
- a check valve positioned between said compressor and said pressure switch to prevent pressurized air from flowing back into said compressor;
- a wheel hub having bearings that are rotatably securable to a boat axle;
- seals between said wheel hub and said axle, said seals forming a closed air space around said bearings;
- and a pneumatic chamber, which is coaxially disposed within said axle, having an inlet adapted for fluidly coupling to said pressurized air and an outlet coupled to said closed air space, said source of pressurized air maintaining between 1 psi and 30 psi in said closed air space.
3 more elements
A pressurized wheel hub system comprising:
- a air tank for storing pressurized air;
- a pressure switch for controlling said pressurized air;
- a normally closed solenoid valve positioned between said pressurized air;
- a wheel hub having bearings that are rotatably securable to a trailer axle;
- seals between said wheel hub and said axle, said seals forming a closed air space around said bearings;
- and a pneumatic chamber, which is coaxially disposed within said axle, having an inlet adapted for fluidly coupling to said pressurized air and an outlet coupled to said closed air space, said source of pressurized air maintaining between 1 psi and 30 psi in said closed air space.
3 more elements
Dependencies are inferred from the claim text.