B
SECTION B — PERFORMING OPERATIONS
  
SEPARATING AND MIXING
 B06
GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
 B06B
METHODS AND APPARATUS FOR GENERATING AND/OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC OR ULTRASONIC FREQUENCY FOR PERFORMING MECHANICAL WORK IN GENERAL (measurement and analysis of mechanical vibrations G01H; in direction finding, locating, distance and velocity measuring G01S; control of mechanical vibrations in general G05D; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers H04R)
 B06B 1/00
Methods and apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
 B06B 1/02
·  making use of electrical energy (B06B 1/18, B06B 1/20 take precedence)
 B06B 1/04
·  ·  operating with electromagnetism vibratory electromagnetic motors per se H02K 33/00)
 B06B 1/06
·  ·  operating with electrostriction or with piezo-electric effect (piezo-electric devices per se H03H)
 B06B 1/08
·  ·  operating with magnetostriction (magnetostrictive devices per se H03H)
 B06B 1/10
·  making use of mechanical energy (B06B 1/18, B06B 1/20 take precedence)
 B06B 1/12
·  ·  operating with systems involving reciprocating masses
 B06B 1/14
·  ·  ·  the masses being elastically coupled
 B06B 1/16
·  ·  operating with systems involving rotary unbalanced masses
 B06B 1/18
·  wherein the vibrator is actuated by pressure fluid (B06B 1/20 takes precedence)
 B06B 1/20
·  making use of a vibrating fluid (whistles or sirens per se G10K)
 B06B 3/00
Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
 B06B 3/02
·  involving a change of amplitude
 B06B 3/04
·  involving focusing or reflecting