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1.发明授权Arrangement for obtaining an absolute seal in bearings which include angular oscillating movements 失效在包括角度振荡运动的轴承中获得绝对密封的安排
公开(公告)号：US3559494A
公开(公告)日：1971-02-02
申请号：US3559494D
申请日：1969-03-07
Applicant: SAAB SCANIA AB
Inventor： PETERSEN BJARNE LOUIS
Abstract: AN ARRANGEMENT FOR OBTAINING AN ABSOLUTE SEAL BETWEEN AN AXLE OR AXLE UNIT AND AN INNER CYLINDRICAL SURFACE IN A BORE DISPOSED IN A BEARING HOUSING OR THE LIKE COAXIAL WITH THE AXLE, THE AXLE OR THE LIKE AND THE CYLINDRICAL SURFACE BEING PERMITTED TO PERFORM A LIMITED RELATIVE ANGULAR OSCILLATING MOVEMENT. A RESILIENT SEAL RING MADE OF RUBBER OR SIMILAR MATERIAL WHICH HAS A LOW MODULUS OF ELASTICITY IS SO SECURED UNDER SUBJECTION TO RADIAL COMPRESSION FORCES BETWEEN SAID MEMBERS THAT SAID RING AS A RESULT OF ITS PRETENSIONED STATE IS HELD IN ROTATIONALLY STATIONARY ABUTMENT WITH RESPECTIVE ABUTMENT SURFACES IN BEARING HOUSING AND ON THE AXLE UNIT. THE SAEL RING, UPON A PREDETERMINED LIMITED RELATIVE ANGULAR MOVEMENT OF EITHER MEMBER, WILL THEN COMPLETELY TAKE UP SAID ANGULAR MOVEMENT WITH A STRETCH.
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