Rotary kinetic fluid motors or pumps – With sound or vibratory wave absorbing or preventing means...
Patent
1984-03-16
1986-04-22
Look, Edward K.
Rotary kinetic fluid motors or pumps
With sound or vibratory wave absorbing or preventing means...
74574, 74573F, 417424, 464 85, 464 92, F04D 2966
Patent
active
045839123
ABSTRACT:
A pump is disclosed having a damped dynamic vibration absorber for attenuating pump vibration in response to a periodic disturbing force generated when the pump is in operation. The vibration absorber comprises elastic means, an annular mass and an energy dissipative means. The elastic means are arranged around the pump in a plane generally normal to the axis of rotation having one end secured to the pump and one end free to vibrate relative to the pump. The annular mass is secured to the free end and the energy dissipative means comprising a squeeze film damper is secured to the annular mass. The annular mass has a predetermined mass, and the elastic means have a predetermined stiffness and the squeeze film damper has a predetermined damping ratio such that the absorber generates a compensating force acting on the pump out of phase with a periodic disturbing force which acts on the pump and is generated while the pump is operated. The effect of the compensating force is to attenuate vibration of the pump which would otherwise occur as a result of the periodic disturbing force.
REFERENCES:
patent: 2914081 (1959-11-01), Bigham
patent: 3160584 (1964-12-01), Hunter
patent: 3172850 (1965-03-01), Englesberg et al.
patent: 3446155 (1969-05-01), Guth
patent: 3995513 (1976-12-01), Admall et al.
patent: 4044626 (1977-08-01), Hayashi et al.
patent: 4433592 (1984-02-01), Tatsumi et al.
Ball James H.
Rouch Keith E.
Sheth Pradip N.
Allis-Chalmers Corporation
Conrad Timothy R.
Kwon John
Look Edward K.
Streich Arthur M.
LandOfFree
Damped dynamic vibration absorber does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Damped dynamic vibration absorber, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Damped dynamic vibration absorber will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1912961