Electrical generator or motor structure – Educational or construction units or kits
Patent
1975-12-10
1977-04-05
Budd, Mark O.
Electrical generator or motor structure
Educational or construction units or kits
310 87, H01L 4104
Patent
active
040164365
ABSTRACT:
A tubular resonator is coupled coaxially to a half wavelength extensional resonator at a nodal region of the vibratory motion in a direction parallel to the longitudinal axis of the extensional resonator. The frequency of the vibratory motion is in the sonic or ultrasonic frequency range, typically in the range from 1 kHz to 100 kHz. The radially directed vibratory motion at the nodal region of the extensional resonator is coupled to the tubular resonator and is converted by the tubular resonator into radial flexural vibratory motion which motion travels along the wall of the tubular resonator in a direction parallel to the longitudinal axis. A fluid within the flexural resonator thus is subjected to intense vibratory energy.
REFERENCES:
patent: 2891179 (1959-06-01), Elmore
patent: 2891180 (1959-06-01), Elmore
patent: 3162368 (1964-12-01), Choate et al.
patent: 3173034 (1965-03-01), Dickey et al.
patent: 3184842 (1965-05-01), Maropis
patent: 3546498 (1970-12-01), McMaster et al.
patent: 3694675 (1972-09-01), Loveday
patent: 3930173 (1975-12-01), Banko
Branson Ultrasonics Corporation
Budd Mark O.
Feig Philip J.
Steinberg Ervin B.
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