Disk brake motor
Patent 4811820 Issued on March 14, 1989. Estimated Expiration Date: 
September 21, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 21, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2208525 2733361 3610975 3674122 Disc brake assembly Belt pulley and method of making the same Patent #: 4530680 InventorAssigneeApplicationNo. 07/098796 filed on 09/21/1987US Classes:188/71.6, With means for cooling brake188/161, Electromagnet188/264A, Air-cooled, axially engaging188/72.1, With means for actuating brake element310/58, Circulation310/62, Suction pump or fan310/76, Brake and clutch310/77, Brake310/89, Housings, windows or covers310/92Torque-transmitting clutches or brakesExaminersPrimary: Skudy, R.Attorney, Agent or FirmInternational ClassesF16D 65/14 (20060101)H02K 7/102 (20060101) H02K 7/10 (20060101) Foreign Application Priority Data1986-01-12 FIAbstractA disk brake motor comprises an electric motor having a housing, an electromagnet, at least one friction surface and a brake wheel which is in contact with the friction surface during braking, the brake wheel including an impeller for drawing in and impelling air so that the air flows tangentially of a surface of the electromagnet into the brake wheel and past the friction surface onto a surface of the housing of the electric motor. | |
