GB975020A - Improvements in or relating to fluid-operated control devices - Google Patents

Improvements in or relating to fluid-operated control devices

Info

Publication number
GB975020A
GB975020A GB4012860A GB4012860A GB975020A GB 975020 A GB975020 A GB 975020A GB 4012860 A GB4012860 A GB 4012860A GB 4012860 A GB4012860 A GB 4012860A GB 975020 A GB975020 A GB 975020A
Authority
GB
United Kingdom
Prior art keywords
nozzle
passage
power jet
fluid
diverted
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
GB4012860A
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
Priority claimed from US58188A external-priority patent/US3396619A/en
Application filed by Individual filed Critical Individual
Publication of GB975020A publication Critical patent/GB975020A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B17/00—Reciprocating-piston machines or engines characterised by use of uniflow principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B17/00—Reciprocating-piston machines or engines characterised by use of uniflow principle
    • F01B17/02—Engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/003—Circuit elements having no moving parts for process regulation, (e.g. chemical processes, in boilers or the like); for machine tool control (e.g. sewing machines, automatic washing machines); for liquid level control; for controlling various mechanisms; for alarm circuits; for ac-dc transducers for control purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/08—Boundary-layer devices, e.g. wall-attachment amplifiers coanda effect

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nozzles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)

Abstract

975,020. Punching. R. E. BOWLES, and R. W. WARREN. Nov. 22, 1960 [Nov. 25, 1959; Jan. 26, 1960; Oct. 19, 1960], No. 40128/60. Heading B3W. [Also in Divisions F1, F3, G3 and G4] A fluid switch or amplifier, (see Division G3), comprises a main jet stream which can be biased along an adjacent surface by a boundary layer effect. Fig. 4 shows the invention applied to the control of a punch 59 operating on a strip of metal or other material 52. A set of three of asymmetrical fluid switches 15, 17, 18 and 151, 171, 181 and 152, 172, 182 are arranged in series and in parallel with a fourth fluid switch 153, 173, 183. The power jet from the nozzle 15 would exhaust out of passage 18 but the presence of metal strip between the rollers 53 gives rise to a control signal at nozzle 16 so that the power jet is diverted to passage 17. The power jet passes to passages 171, 172 only if the nozzles 161, 162 impose control signals caused by ports 69, 69a being blocked by the palms of the operator's hands. A control signal is thus fed to the nozzle 163 so that the power jet from the nozzle 153 is diverted to the passage 173 and passes via conduit 70 to depress the piston 156 and actuate the punch 59. Specifications 970,985 and 975,021 are referred to.
GB4012860A 1959-11-25 1960-11-22 Improvements in or relating to fluid-operated control devices Expired GB975020A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85547859A 1959-11-25 1959-11-25
US483060A 1960-01-26 1960-01-26
US58188A US3396619A (en) 1960-10-19 1960-10-19 Fluid amplifier employing boundary layer effect

Publications (1)

Publication Number Publication Date
GB975020A true GB975020A (en) 1964-11-11

Family

ID=27357718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4012860A Expired GB975020A (en) 1959-11-25 1960-11-22 Improvements in or relating to fluid-operated control devices

Country Status (5)

Country Link
JP (4) JPS4812517B1 (en)
BE (1) BE597392A (en)
CH (1) CH505989A (en)
DK (1) DK121897B (en)
GB (1) GB975020A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251834A (en) * 1983-02-22 1992-07-22 George Alexander Tarrant Guided missiles and like devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251834A (en) * 1983-02-22 1992-07-22 George Alexander Tarrant Guided missiles and like devices
GB2251834B (en) * 1983-02-22 1992-12-16 George Alexander Tarrant Guided missiles

Also Published As

Publication number Publication date
DK121897B (en) 1971-12-13
JPS4812515B1 (en) 1973-04-20
JPS4824994B1 (en) 1973-07-25
BE597392A (en) 1961-05-23
CH505989A (en) 1971-04-15
JPS4812517B1 (en) 1973-04-20
JPS5147831B1 (en) 1976-12-17

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