Internal-combustion engines – Charge forming device – Supercharger
Reexamination Certificate
2008-08-28
2011-10-25
Trieu, Thai Ba (Department: 3748)
Internal-combustion engines
Charge forming device
Supercharger
C192S04100R, C464S057000, C464S097000
Reexamination Certificate
active
08042526
ABSTRACT:
A torsion damping mechanism for a rotary blower is provided that includes an input hub adapted to engage a first end of a torsion spring and an output hub adapted to engage a second end of the torsion spring. An intermediate hub is fixed for rotation with a first drive member. A bearing member includes an inner portion connected for rotation with the intermediate hub and an outer portion connected for rotation with the output hub. The bearing member may be a one-way bearing that permits torque to flow from the output hub into the intermediate hub and the first drive member when the output hub is driven in a first rotational direction, and permits the output hub to rotate relative to the intermediate hub with no substantial torque transfer therebetween when the output hub is driven in a second rotational direction.
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International Search Report and the Written Opinion of the International Searching Authority for PCT/US2008/010382, Mailed Nov. 17, 2008.
Creager Christopher W.
Ouwenga Daniel R.
Pratley Mark H.
Suhocki Christopher
Dykema Gossett PLLC
Eaton Corporation
Trieu Thai Ba
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