An exhaust channel in a rock drilling head of a rotary impact drill has an pening which extends over the front face of the drill shaft and over the
Thin Rotary and Linear Ultrasonic Motors Using a Double-Mode Piezoelectric Vibrator of the First Longitudinal and Second Bending Modes
A ground boring tool known as a mole is fitted within its conical head (1) with a pneumatic-powered rotatory vibrator (8) which generates severe
drilling fluid to the outlet end of the hollow in drilling is through vibration-rotary drilling. High-frequency downhole hydrovibrator for enhancing
An apparatus and method for a turbine wheel assembly for a pneumatic rotary vibrator that provides a selectable force output while being removably retained
Vibrator motor with stepped rotary output United States Patent 3302045 Inventors: Dotto, Gianni A. Application Number: US37511764A
rotary drilling mode wherein the apparatus drives vibrator from a flexible power shaft or hydraulichose for supplying the fluid injection means with
Jingbo Petroleum Machinery Co.,Ltd., founded in 1986,has 30 years’ experience in the oilfield hoses area and is the leading manufacturer of Kelly Hose
2012519-1. A vibrator of the class described, comprising: a housing fabricated of relatively light steel plate and including relatively closely spac
This invention relates to a new improved rotary vibrator device, pneumatically driven, that is simple and of light weight, inexpensive to manufacture, easy
A hydraulically driven rotary vibrator that includes a motor body and a pair of opposed housings. Each housing includes a shaft, and an eccentric weight
Apparatus for joining thermoplastic sheet material with ultrasonic rotary vibratorsComplete Patent Searching Database and Patent Data Analytics Services
20011020-According to one aspect of the invention there is provided a rotary-vibratory drilling apparatus. The drilling assembly is comprised of a vi
3P4-2 A Rotary Motor Using Giant Electrorheological Fluid and Piezoelectric Torsional Vibrator(Poster Session) Qiu Wei , Hong Yaying , Mizuno Yosuke ,
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Adjustable rotary vibratorMay 2, 1950 N. B. CLEVELAND ADJUSTABLE ROTARY VIBRATOR Filed Oct. 15, 1946 IN V EN TOR. NORMAN B. CLEVELAND Patented May 2
Dual traveling wave rotary ultrasonic motor with single active vibratorTraveling wave rotary ultrasonic motor with double vibrators can improve the output
A METHOD TO VIBRATE THE ROTATOR BY USING THE RESONANCE PHENOMENON OF MAGNETIC FIELD AND A ROTARY GENERATING VIBRATOR USING THE METHOD PARK JUNG IL
An unbalanced-mass vibrator comprises a pair of unbalanced masses which are sequentially driven in opposite rotational directions. The vibrators are intended
An apparatus for electromagnetically and rotationally vibrating a rotary body that is supported by bearings. The apparatus comprises a ring-shaped magnet
Jingbo Petroleum Machinery Co.,Ltd., founded in 1986,has 30 years’ experience in the oilfield hoses area and is the leading manufacturer of Kelly Hose
A vibrator for, and a method for, compacting concrete and the like material in which the vibrator has a housing and an eccentric mass therein, a
