GB1275214A - Oscillator circuits with fluidic elements - Google Patents

Oscillator circuits with fluidic elements

Info

Publication number
GB1275214A
GB1275214A GB3081770A GB3081770A GB1275214A GB 1275214 A GB1275214 A GB 1275214A GB 3081770 A GB3081770 A GB 3081770A GB 3081770 A GB3081770 A GB 3081770A GB 1275214 A GB1275214 A GB 1275214A
Authority
GB
United Kingdom
Prior art keywords
amplifier
fluid
valve
switch
elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3081770A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Koeppern GmbH and Co KG
Original Assignee
Maschinenfabrik Koeppern GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19691932349 external-priority patent/DE1932349C/en
Application filed by Maschinenfabrik Koeppern GmbH and Co KG filed Critical Maschinenfabrik Koeppern GmbH and Co KG
Publication of GB1275214A publication Critical patent/GB1275214A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • B06B1/183—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/20—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of a vibrating fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/12—Fluid oscillators or pulse generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

1275214 Vibrators H KOPPERN and H SCHAFER [trading as MASCHINENFABRIK KOPPERN & CO KG] 25 June 1970 [26 June 1969 (2)] 30817/70 Heading F2X [Also in Division G3] A fluid-operated vibrator 15, 16 has connected thereto a fluid-supplying circuit comprising a pump 18, a switch-over valve 24, an amplifier 11 and an oscillator circuit 1. The oscillator circuit, as shown in Fig. 1, comprises three cascadeconnected fluidic elements 2, 2<SP>1</SP> and 2<SP>11</SP> each providing a logic NOT-function, and a resistive and capacitative or R-c element having a fluidic volume 4 and an adjustable, frequencydetermining choke 6, the elements being connected in series with the output therefrom preferably being taken at line 8. The cascade may be composed of conventional double membrane relays and may include any number of elements providing such number is odd and greater than three. The oscillator output functions to actuate an amplifier 11 such that a line 13 leading to an actuating-pressure space 28 of valve 24 is connectible alternatively with a pressure source 30 and a vent 32. In consequence, the switch over valve, which valve is subjected to the bias of a spring 26, selectively connects each of the two ends of the vibrator drive arrangement 15 with the pump 18 or a reservoir R. In modifications, (Figs. 4 to 6, not shown), the vibrator drive may comprise a single acting piston and the fluid-supplying circuit may utilize gas or liquid. Furthermore, the amplifier may be connected to a converter such that the amplifier output, in the form of pressure signals, may be converted into electrical signals which then functions to actuate the switch-over valve 24.
GB3081770A 1969-06-26 1970-06-25 Oscillator circuits with fluidic elements Expired GB1275214A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1932348 1969-06-26
DE19691932349 DE1932349C (en) 1969-06-26 Control for a hydraulically operated piston vibrator

Publications (1)

Publication Number Publication Date
GB1275214A true GB1275214A (en) 1972-05-24

Family

ID=25757552

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3081770A Expired GB1275214A (en) 1969-06-26 1970-06-25 Oscillator circuits with fluidic elements

Country Status (3)

Country Link
JP (1) JPS504837B1 (en)
FR (1) FR2047957A1 (en)
GB (1) GB1275214A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2274109A2 (en) * 2008-04-22 2011-01-19 Venturedyne, Ltd Apparatus and method for vibratory testing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2019526B (en) * 1978-04-19 1982-09-02 Hughes Aircraft Co Controlling vibrations of vibration-testing shaker tables

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2274109A2 (en) * 2008-04-22 2011-01-19 Venturedyne, Ltd Apparatus and method for vibratory testing
EP2274109A4 (en) * 2008-04-22 2013-01-16 Venturedyne Ltd Apparatus and method for vibratory testing

Also Published As

Publication number Publication date
JPS504837B1 (en) 1975-02-24
FR2047957A1 (en) 1971-03-19

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee