Brake with field responsive material
First Claim
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1. A controllable brake comprising:
- (a) a housing comprising a first chamber and a second chamber;
(b) a shaft comprising a first shaft end, the shaft extending through the first and second housing chambers;
(c) a rotor made integral with the shaft substantially at the first shaft end, the rotor having an outer periphery, said rotor being located in the first housing chamber;
(d) field generating means located in the first housing chamber proximate the outer periphery of the rotor;
(e) field responsive material located in said first chamber, the rheology of said material being affected by said field generating means; and
(f) means for controlling and/or monitoring the operation of the brake, said means located in said second chamber.
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Abstract
A controllable brake includes a rotor supported on one shaft end. The rotor is housed within a chamber containing a field controllable material which is acted upon by a magnetic field generator to change the rheology of the material and thereby impede movement of the rotor. The shaft is supported by two bearings which, in combination with the housing define a second housing chamber adapted to enclose means for monitoring and/or controlling the brake and in this way, an integrated, compact controllable brake is provided.
105 Citations
1 Claim
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1. A controllable brake comprising:
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(a) a housing comprising a first chamber and a second chamber;
(b) a shaft comprising a first shaft end, the shaft extending through the first and second housing chambers;
(c) a rotor made integral with the shaft substantially at the first shaft end, the rotor having an outer periphery, said rotor being located in the first housing chamber;
(d) field generating means located in the first housing chamber proximate the outer periphery of the rotor;
(e) field responsive material located in said first chamber, the rheology of said material being affected by said field generating means; and
(f) means for controlling and/or monitoring the operation of the brake, said means located in said second chamber.
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Specification
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Current AssigneeLord Corporation (Parker-Hannifin Corporation)
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Original AssigneeLord Corporation (Parker-Hannifin Corporation)
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InventorsJolly, Mark R., Koester, Steve, St. Clair, Kenneth A., Marjoram, Robert H.
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Primary Examiner(s)Butler, Douglas C.
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Application NumberUS10/037,118Publication NumberTime in Patent Office1,209 DaysField of Search188/267, 188/267.2, 188/267.1, 188161-165, 188156-160, 188/268, 188/322.5, 188/290, 188/296, 192/21.5, 192/84.3, 192/84.4, 310/92, 310/268, 310/93, 310/261, 310/103, 310/77, 464/29, 267/140.15, 745/74, 482/903, 482/4, 482/111, 482/112, 482/5, 318/362, 318/254US Class Current188/267CPC Class CodesB62D 5/005 means for generating torque...F16D 57/002 comprising a medium with el...
