Method for supplying a device or system with an alternating, pul

Details Method for supplying a device or system with an alternating, pul Method for supplying a device or system with an alternating, pul

1997-12-17

2000-08-01

Look, Edward K.

Motors: expansible chamber type

With motive fluid valve

Electrically operated

60459, F15B 13044

Patent

active

060950293

ABSTRACT:
The invention relates to a method for supplying a device or system with a pulsating or cyclic flow of power or energy that alternates in the manner of a noise, with the noise having a spectral amplitude or intensity distribution that is essentially the inverse of the amplitude frequency pattern of a noise parameter of the device or system so that low-noise transmission of power or energy is made possible.

REFERENCES:
patent: 4453378 (1984-06-01), Zagranski et al.
patent: 4813339 (1989-03-01), Uno et al.
patent: 5208784 (1993-05-01), Laukien
patent: 5363450 (1994-11-01), Moody et al.
F. Blaabjerg et al, "Optimized and Non-Optimized Random Modulation Techniques for VSI Drives", 1995.

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