37186 ⎘
Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses
HYBRID HYDRAULIC-ELECTRODYNAMIC VIBRATION TEST SYSTEM
#2VIBRATORY COMPACTOR
#3MULTIPLE INPUT MULTIPLE OUTPUT PHONONIC SUBSURFACES FOR PASSIVE BOUNDARY LAYER TRANSITION DELAY
#4PNEUMATIC VIBRATION DEVICE WITH ROTATABLE PISTON SHAFT
#5VIBRATORY COMPACTOR
#6Control Method for Road Roller Machine, and Road Roller Machine
#7Vibratory compactor
#8Device for generating percussive pulses or vibrations for a construction machine
#9Vibratory compactor
#10Vibratory compactor
#11Ball transfer mechanism with polycrystalline diamond bearing support
#12Vibratory compactor
#13Method of operating a tamping unit of a track maintenance machine, and a tamping device for ballast bed consolidation, and a track maintenance machine
#14HAPTIC ACTUATOR ASSEMBLY HAVING A FLUID RESERVOIR
#15Single-mass, one-dimensional resonant driver
#16Roller tube concrete paver with retractable vibrator assembly
#17Hydraulic vibration control
#18Device and method for generating percussive pulses or vibrations for a construction machine
#19Oscillatory mechanism with simultaneous crossed-centrifugations, machine and implementation method
#20Downhole inertial mass system
#21Pressure wave generator with a sabot launched piston
#22Vibration generating device
#23Pressure wave generator with a sabot launched piston
#24Apparatus for compacting the ballast bed of a track
#25Shaking unit and method for the pneumatic excitation of a shaking unit
#26VIBRATORY MECHANISM FOR A PILE DRIVER AND A PILE DRIVER
#27Vibrator
#28APPARATUS FOR TREATING BIOLOGICAL BODY SUBSTANCES BY MECHANICAL SHOCKWAVES
#29Self starting vibrator
#30Self starting vibrator
#31Vibration generator
#32Vibratory compactor
#33Modular fluid powered linear piston motors with harmonic coupling