Motor/Pump Assembly With Improved Sealing
First Claim
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1. A motor/pump unit comprising:
- a motor having a pot-shaped motor housing and a brush plate provided in the motor housing, anda pump having a pump housing, whereinthe motor is secured axially to an end face of the pump housing,the brush plate forms the terminating face of the motor with respect to the pump housing,the edge region of the pot-shaped motor housing facing the pump housing has a seal-accommodating stage,the region of the brush plate radially adjacent to the edge region of the motor housing likewise has a seal-accommodating stage, andinserted into said seal-accommodating stages is a seal which is axially compressed through securing of the pump housing on the motor.
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Abstract
A motor/pump assembly, in particular for a motor vehicle braking apparatus is fixed axially on an end face of the pump housing. The brush plate forms the termination face of the motor with respect to the pump housing. The boundary area of the motor housing which faces the pump housing and that area of the brush plate which is radially adjacent to the boundary area of the motor housing each have a seal-accommodating step, into which a seal is inserted which is compressed axially by the pump housing being fixed to the motor.
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Citations
14 Claims
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1. A motor/pump unit comprising:
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a motor having a pot-shaped motor housing and a brush plate provided in the motor housing, and a pump having a pump housing, wherein the motor is secured axially to an end face of the pump housing, the brush plate forms the terminating face of the motor with respect to the pump housing, the edge region of the pot-shaped motor housing facing the pump housing has a seal-accommodating stage, the region of the brush plate radially adjacent to the edge region of the motor housing likewise has a seal-accommodating stage, and inserted into said seal-accommodating stages is a seal which is axially compressed through securing of the pump housing on the motor. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for sealing motor/pump unit comprising the steps of:
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providing a motor having a pot-shaped motor housing and a brush plate provided in the motor housing, and providing a pump having a pump housing, wherein the brush plate forms the terminating face of the motor with respect to the pump housing, the edge region of the pot-shaped motor housing facing the pump housing and the region of the brush plate radially adjacent to the edge region of the motor housing form a mutually adjacent seal-accommodating stage; inserting a seal into the mutually adjacent seal-accommodating stage; securing the motor axially to an end face of the pump housing. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification