ELECTROMAGNETIC BRAKE SYSTEM AND ELECTROMAGNETIC BRAKE FOR CONTROLLING MOTION
First Claim
1. A brake system for controlling rotation between a first body and a second body, said brake system comprising:
- an interior core member, said interior core member coupling with said first body,an outer exterior electromagnetic unlocking member, said outer exterior electromagnetic unlocking member enclosing said interior core member, said outer exterior electromagnetic unlocking member coupling with said second body,a resilient spring brake lock member having a brake torque stiffness, said resilient spring brake lock member between said interior core member and said outer exterior electromagnetic unlocking member, said resilient spring brake lock member engaging said interior core member wherein said resilient spring brake lock member inhibits rotation between said outer exterior electromagnetic unlocking member and said interior core member, and an attractive electromagnetic field applied by said outer exterior electromagnetic unlocking member disengages said resilient spring brake lock member from engaging said interior core member and provides for rotation between said outer exterior electromagnetic unlocking member and said interior core member.
1 Assignment
0 Petitions
Accused Products
Abstract
An electromagnetic brake system and brake for controlling motion between a first machine body (32) and a second machine body (34) is provided. The electromagnetic brake system and brake include an interior core member (36), the interior core member coupling with the first body (32). The electromagnetic brake includes an outer exterior member (38), the outer exterior member enclosing the interior core member, the outer exterior member coupling with the second body. The electromagnetic brake includes a resilient spring brake lock member (40) having a brake torque stiffness, the resilient spring brake lock member (40) between the interior core member (36) and the outer exterior member (38), the resilient spring brake lock member (40) engaging the interior core member (36) wherein the resilient spring brake lock member inhibits rotation between the outer exterior member and the interior core member, and an electromagnetic field applied by an electromagnetic unlocking member disengages the resilient spring brake lock member from engaging the interior core member and provides for rotation between the outer exterior member and the interior core member.
9 Citations
69 Claims
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1. A brake system for controlling rotation between a first body and a second body, said brake system comprising:
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an interior core member, said interior core member coupling with said first body, an outer exterior electromagnetic unlocking member, said outer exterior electromagnetic unlocking member enclosing said interior core member, said outer exterior electromagnetic unlocking member coupling with said second body, a resilient spring brake lock member having a brake torque stiffness, said resilient spring brake lock member between said interior core member and said outer exterior electromagnetic unlocking member, said resilient spring brake lock member engaging said interior core member wherein said resilient spring brake lock member inhibits rotation between said outer exterior electromagnetic unlocking member and said interior core member, and an attractive electromagnetic field applied by said outer exterior electromagnetic unlocking member disengages said resilient spring brake lock member from engaging said interior core member and provides for rotation between said outer exterior electromagnetic unlocking member and said interior core member. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electromagnetic brake, said brake comprising:
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an interior curved core member, said interior core member having an exterior curved surface, an exterior member, said exterior member encircling said interior core member, said exterior member including an electromagnetic field source, a resilient brake lock member, said resilient brake lock member between said interior core member exterior curved surface and said exterior member, said resilient brake lock member engaging said interior core member exterior curved surface with said resilient brake lock member inhibiting rotation between said exterior member and said interior curved core member, wherein an attractive magnetic field applied by said exterior member electromagnetic field source disengages said resilient brake lock member from engaging said interior core member exterior curved surface and allowing for rotation between said exterior member and said interior core member. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of making an electromagnetic brake, said method including:
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providing an interior core member, said interior core member having an exterior curved surface, providing an exterior member, said exterior member including an electromagnetic field source, providing a resilient brake lock band member, disposing said resilient brake lock band member and said exterior member around said interior core member, with said resilient brake lock band member between said interior core member exterior curved surface and said exterior member, with said resilient brake lock member engaging said interior core member exterior curved surface with said resilient brake lock member inhibiting rotation between said exterior member and said interior curved core member, wherein an attractive magnetic field applied by said exterior member electromagnetic field source disengages said resilient brake lock member from engaging said interior core member exterior curved surface and allowing for rotation between said exterior member and said interior core member. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of controlling motion between a first body and a second body, said method including:
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providing a first body coupled member, providing a second body coupled member, said second body coupled member including an electromagnetic field source, providing a resilient brake lock spring band member with a spring brake torque stiffness, disposing said resilient brake lock band member between said first body coupled member and said second body coupled member, with said resilient brake lock member engaging said first body coupled member with said resilient brake lock member inhibiting rotation between said second body coupled member and said first body coupled member with an unpowered rotation inhibiting brake force, said unpowered rotation inhibiting brake force dependent on said spring brake torque stiffness, applying with said second body coupled member electromagnetic field source an attractive magnetic field which disengages said resilient brake lock member from engaging said first body coupled member and allowing for rotation between said second body coupled member and said first body coupled member. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36)
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37. A brake system for controlling rotation between a first body and a second body, said brake system comprising:
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an interior core member, said interior core member coupling with said first body, an outer exterior member, said outer exterior member enclosing said interior core member, said outer exterior member coupling with said second body, a resilient spring brake lock member having a brake torque stiffness, said resilient spring brake lock member between said interior core member and said outer exterior member, said resilient spring brake lock member engaging said interior core member wherein said resilient spring brake lock member inhibits rotation between said outer exterior member and said interior core member, and an electromagnetic field applied by an electromagnetic unlocking member which disengages said resilient spring brake lock member from engaging said interior core member and provides for rotation between said outer exterior member and said interior core member. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. A vehicle brake system for controlling rotation between a first vehicle body and a second vehicle body, said vehicle brake system comprising:
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an interior core member, said interior core member coupling with said first vehicle body, an outer exterior member, said outer exterior member enclosing said interior core member, said outer exterior member coupling with said second vehicle body, a resilient spring brake lock member having a brake torque stiffness, said resilient spring brake lock member between said interior core member and said outer exterior member, said resilient spring brake lock member engaging said interior core member wherein said resilient spring brake lock member inhibits rotation between said outer exterior member and said interior core member, and an electromagnetic field applied by an electromagnetic unlocking member which disengages said resilient spring brake lock member from engaging said interior core member and provides for rotation between said outer exterior member and said interior core member and for relative motion between said first vehicle body and said second vehicle body. - View Dependent Claims (51)
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52. A robot brake system for controlling rotation between a first robot body and a second robot body, said robot brake system comprising:
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an interior core member, said interior core member coupling with said first robot body, an outer exterior member, said outer exterior member enclosing said interior core member, said outer exterior member coupling with said second robot body, a resilient spring brake lock member having a brake torque stiffness, said resilient spring brake lock member between said interior core member and said outer exterior member, said resilient spring brake lock member engaging said interior core member wherein said resilient spring brake lock member inhibits rotation between said outer exterior member and said interior core member, and an electromagnetic field applied by an electromagnetic unlocking member disengages said resilient spring brake lock member from engaging said interior core member and provides for rotation between said outer exterior member and said interior core member and for relative motion between said first robot body and said second robot body. - View Dependent Claims (53)
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54. A machine, said machine including a first machine body and a second machine body, an interior core member, said interior core member coupling with said first machine body,
an outer exterior member, said outer exterior member enclosing said interior core member, said outer exterior member coupling with said second machine body, a resilient spring brake lock member having a brake torque stiffness, said resilient spring brake lock member between said interior core member and said outer exterior member, said resilient spring brake lock member engaging said interior core member wherein said resilient spring brake lock member inhibits rotation between said outer exterior member and said interior core member, and an electromagnetic field applied by an electromagnetic unlocking member which disengages said resilient spring brake lock member from engaging said interior core member and provides for rotation between said outer exterior member and said interior core member and for relative motion between said first machine body and said second machine body.
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58. An electromagnetic brake, said brake having a static torque rating and a weight, said brake comprising:
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an interior curved core member, said interior core member having an exterior curved surface, an exterior member, said exterior member encircling said interior core member, an encircling resilient brake lock member, said resilient brake lock member between said interior core member exterior curved surface and said exterior member, said resilient brake lock member engaging said interior core member exterior curved surface with said resilient brake lock member inhibiting rotation between said exterior member and said interior curved core member, wherein a power to unlock applied magnetic field disengages said resilient brake lock member from engaging said interior core member exterior curved surface and allowing for rotation between said exterior member and said interior core member, and wherein said resilient brake lock member engages said interior core member exterior curved surface and said static torque rating is in the range from 0.1 to 1,000 Nm and said brake has a torque/weight ratio greater than 50 Nm/kg. - View Dependent Claims (59)
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60. An electromagnetic brake, said brake having a static torque rating and a volume, said brake comprising:
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an interior curved core member, said interior core member having an exterior curved surface, an exterior member, said exterior member encircling said interior core member, an encircling resilient brake lock member, said resilient brake lock member between said interior core member exterior curved surface and said exterior member, said resilient brake lock member engaging said interior core member exterior curved surface with said resilient brake lock member inhibiting rotation between said exterior member and said interior curved core member, wherein a power to unlock applied magnetic field disengages said resilient brake lock member from engaging said interior core member exterior curved surface and allowing for rotation between said exterior member and said interior core member, and wherein said resilient brake lock member engages said interior core member exterior curved surface and said static torque rating is in the range from 0.1 to 1,000 Nm and said brake has a torque/volume ratio greater than 20 Nm/cc. - View Dependent Claims (61)
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62. An electromagnetic brake, said brake having a static torque rating and a rotary interia, said brake comprising:
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an interior curved core member, said interior core member having an exterior curved surface, an exterior member, said exterior member encircling said interior core member, an encircling resilient brake lock member, said resilient brake lock member between said interior core member exterior curved surface and said exterior member, said resilient brake lock member engaging said interior core member exterior curved surface with said resilient brake lock member inhibiting rotation between said exterior member and said interior curved core member, wherein a power to unlock applied magnetic field disengages said resilient brake lock member from engaging said interior core member exterior curved surface and allowing for rotation between said exterior member and said interior core member, and wherein said resilient brake lock member engages said interior core member exterior curved surface and said static torque rating is in the range from 0.1 to 1,000 Nm and said brake has a torque/rotary inertia ratio greater than 1.5×
106 s−
2. - View Dependent Claims (63)
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64. An electromagnetic brake, said brake having a static torque rating and a diameter, said brake comprising:
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an interior curved core member, said interior core member having an exterior curved surface, an exterior member, said exterior member encircling said interior core member, an encircling resilient brake lock member, said resilient brake lock member between said interior core member exterior curved surface and said exterior member, said resilient brake lock member engaging said interior core member exterior curved surface with said resilient brake lock member inhibiting rotation between said exterior member and said interior curved core member, wherein a power to unlock applied magnetic field disengages said resilient brake lock member from engaging said interior core member exterior curved surface and allowing for rotation between said exterior member and said interior core member, and wherein said resilient brake lock member engages said interior core member exterior curved surface, said brake diameter no greater than eleven centimeters (about 4 inches) with said static torque rating at least 2 Nm. - View Dependent Claims (65)
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66. A machine, said machine including a rotating electric motor, a first machine motor body and a second machine motor body, an interior core member, said interior core member coupling with said first machine motor body,
an outer exterior member, said outer exterior member enclosing said interior core member, said outer exterior member coupling with said second machine motor body, a resilient spring brake lock member having a brake torque stiffness, said resilient spring brake lock member between said interior core member and said outer exterior member, said resilient spring brake lock member engaging said interior core member wherein said resilient spring brake lock member inhibits rotation between said outer exterior member and said interior core member, and an electromagnetic field applied by an electromagnetic unlocking member disengages said resilient spring brake lock member from engaging said interior core member and provides for rotation between said outer exterior member and said interior core member and relative rotating motor motion between said first machine motor body and said second machine motor body, said resilient spring brake lock member inhibiting rotation between said outer exterior member and said interior core member and providing a static torque rating greater than 1000 lb-ft.
Specification