Patent ID: 7726371

Claim:
A wheel product comprising: a multi-chambered pneumatic tire fixed to and rotating with a wheel hub about a wheel axis; the tire comprising: a hollow non-porous outer ring encircling the wheel hub and being radially spaced apart from the wheel hub; the ring comprising: at least one high-pressure chamber; the at least one high-pressure chamber encircling the wheel hub within the ring; the ring being restrained radially by a first porous ring restraint band and by a second porous ring restraint band; the ring being restrained axially by the first porous ring restraint band and by the second porous ring restraint band; the porous ring restraint bands preventing non-transient pressure gradients across each ring restraint band; the porous ring restraints being substantially inelastic; the ring being fixed to the hub by a first non-porous sidewall and by a second non-porous sidewall; and the sidewalls being axially spaced apart and the sidewalls, the ring and the wheel hub enclosing the ring restraint bands within a low pressure chamber.