FR2321059A1 - Pneumatic drive with opposed pistons - uses compressed air to retract working pistons against spring force in pressure cylinders - Google Patents

Pneumatic drive with opposed pistons - uses compressed air to retract working pistons against spring force in pressure cylinders

Info

Publication number
FR2321059A1
FR2321059A1 FR7525066A FR7525066A FR2321059A1 FR 2321059 A1 FR2321059 A1 FR 2321059A1 FR 7525066 A FR7525066 A FR 7525066A FR 7525066 A FR7525066 A FR 7525066A FR 2321059 A1 FR2321059 A1 FR 2321059A1
Authority
FR
France
Prior art keywords
piston
compressed air
pistons
spring force
pneumatic drive
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.)
Granted
Application number
FR7525066A
Other languages
French (fr)
Other versions
FR2321059B1 (en
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to FR7525066A priority Critical patent/FR2321059A1/en
Priority to DE19762636117 priority patent/DE2636117A1/en
Priority to ES450608A priority patent/ES450608A1/en
Publication of FR2321059A1 publication Critical patent/FR2321059A1/en
Application granted granted Critical
Publication of FR2321059B1 publication Critical patent/FR2321059B1/fr
Priority to BE0/196115A priority patent/BE877460Q/en
Granted 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
    • F15B15/066—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the scotch yoke type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

The pneumatic drive has a main cylinder (1) with a central pressure chamber and a piston (2) on either side. The pistons oppose each other, and are connected via a joint to a drive shaft. The piston rotate a disc (30) which has recesses (30a) for rollers (40), and is connected to a drive shaft (34) in the working chamber (3). Compressed air is supplied through an inlet (4) to the working chamber (3), the volume of which varies according to the piston positions. At each end of the main cylinder (1) is a pressure cylinder (7) with a piston spring-biased against the end of the working piston (2) push rod (11). This rod has a central bore (12) which opens (16) into the pressure cylinder (15) and into the working chamber (3). The pressure piston (7) is pushed back against the spring force by the compressed air, and air is squeezed out (35) of the cylinder. This frees the rod (11) and allows the shaft (34) and disc (30) to rotate.
FR7525066A 1975-08-12 1975-08-12 Pneumatic drive with opposed pistons - uses compressed air to retract working pistons against spring force in pressure cylinders Granted FR2321059A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7525066A FR2321059A1 (en) 1975-08-12 1975-08-12 Pneumatic drive with opposed pistons - uses compressed air to retract working pistons against spring force in pressure cylinders
DE19762636117 DE2636117A1 (en) 1975-08-12 1976-08-11 PRESSURE MEDIUM DRIVE WITH OPERATING PISTON
ES450608A ES450608A1 (en) 1975-08-12 1976-08-11 Compressed air actuator device. (Machine-translation by Google Translate, not legally binding)
BE0/196115A BE877460Q (en) 1975-08-12 1979-07-03 PNEUMATIC ACTUATOR WITH ANTAGONIST PISTONS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7525066A FR2321059A1 (en) 1975-08-12 1975-08-12 Pneumatic drive with opposed pistons - uses compressed air to retract working pistons against spring force in pressure cylinders
ES45060877 1977-04-20

Publications (2)

Publication Number Publication Date
FR2321059A1 true FR2321059A1 (en) 1977-03-11
FR2321059B1 FR2321059B1 (en) 1979-01-19

Family

ID=26155912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7525066A Granted FR2321059A1 (en) 1975-08-12 1975-08-12 Pneumatic drive with opposed pistons - uses compressed air to retract working pistons against spring force in pressure cylinders

Country Status (3)

Country Link
BE (1) BE877460Q (en)
DE (1) DE2636117A1 (en)
FR (1) FR2321059A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034882A1 (en) * 1980-01-24 1981-09-02 Camtorc Limited Rotary actuator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206900A (en) * 1977-08-01 1980-06-10 Borg-Warner Corporation Valve operator
NL8104773A (en) * 1981-10-21 1982-08-02 Humabo B V CYLINDER PISTON DEVICE PROVIDED FOR RESET.
DE3925887A1 (en) * 1989-08-04 1991-02-07 Chemat Gmbh Double acting pneumatic drive unit - has at least one piston, with piston chamber, spring arrangement, pressure compartment and control

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034882A1 (en) * 1980-01-24 1981-09-02 Camtorc Limited Rotary actuator

Also Published As

Publication number Publication date
FR2321059B1 (en) 1979-01-19
BE877460Q (en) 1979-11-05
DE2636117A1 (en) 1977-02-24

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