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GB931949A - Fluid control valve system - Google Patents

Fluid control valve system

Info

Publication number
GB931949A
GB931949A GB37841/61A GB3784161A GB931949A GB 931949 A GB931949 A GB 931949A GB 37841/61 A GB37841/61 A GB 37841/61A GB 3784161 A GB3784161 A GB 3784161A GB 931949 A GB931949 A GB 931949A
Authority
GB
United Kingdom
Prior art keywords
valve
vacuum
switch
chamber
sleeve
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
GB37841/61A
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB931949A publication Critical patent/GB931949A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86131—Plural
    • Y10T137/86163—Parallel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86389—Programmer or timer
    • Y10T137/86445—Plural, sequential, valve actuations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86718—Dividing into parallel flow paths with recombining
    • Y10T137/86759—Reciprocating
    • Y10T137/86791—Piston
    • Y10T137/86799—With internal flow passage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86879—Reciprocating valve unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86919—Sequentially closing and opening alternately seating flow controllers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87788—With valve or movable deflector at junction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

931,949. Control of motors. CARL ZEISSSTIFTUNG, [trading as C. ZEISS [Firm of]]. Oct. 23, 1961 [Nov. 2, 1960], No. 37841/61. Class 38 (3). [Also in Groups XXVIII and XXIX] A valve system e.g. for connecting a high and a low vacuum pump at 6, 7, respectively, Fig. 1, in a required sequence to a chamber 8 such as an electron microscope, comprises an open-ended sleeve 5 axially slidably reciprocated by a mechanical device including a ratchet and pawl or, Fig. 2, an electric motor 16 via gearing 17- 19 and screw-and-nut 20, 21, spaced annular packings 2, 3, 4 whereby the chamber 8 is connected to low vacuum between 3 and 4 and through a sleeve when the sleeve is moved to the left, and to the high vacuum when the sleeve is moved to the right through a position closing both openings 6, 7, as shown. Gear 17 also drives a screw 24 whereby a nut 25 actuates limit switches 27-29 incorporated in a motor control circuit containing three cold cathode tubes and relays and in which the connection, low to high vacuum is effected through a vacuum switch 34. On starting the low vacuum pump, a delay in ignition of the first cathode tube allows any impairment of pre-vacuum in the valve closed pump lines 6, 7 to act via the vacuum switch 34 to switch off the voltage. The motor 16 then moves valve 5 to the left, a relay closes back-up valve 31 and the low vacuum pump exhausts the chamber 8. A delay in the second cathode tube ignition before the valve is reversed allows any vacuum impairment to switch off the voltage. On passing through the central valve position, a limit switch opens back-up valve 31 and in the right-hand position, both pumps evacuate the chamber, and through switch 34, the valve returns to the central closed position when the evacuation is complete. Impairment of the vacuum switches off the voltage and a chamber vent valve may be opened via a further switch and relay.
GB37841/61A 1960-11-02 1961-10-23 Fluid control valve system Expired GB931949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ0008328 1960-11-02

Publications (1)

Publication Number Publication Date
GB931949A true GB931949A (en) 1963-07-24

Family

ID=7620461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37841/61A Expired GB931949A (en) 1960-11-02 1961-10-23 Fluid control valve system

Country Status (2)

Country Link
US (1) US3164170A (en)
GB (1) GB931949A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5188141A (en) * 1991-12-03 1993-02-23 Siemens Automotive Limited Vacuum boost valve
US5632606A (en) * 1993-11-23 1997-05-27 Sarcos Group Volumetric pump/valve
EP3872837A1 (en) * 2020-02-25 2021-09-01 The Provost, Fellows, Scholars and other Members of Board of Trinity College Dublin Pole piece for an electron microscope

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1105090A (en) * 1914-07-28 John C Metzger Air-valve for carbureters.
US669284A (en) * 1900-05-02 1901-03-05 George M Pelton Reciprocating valve.
CA487648A (en) * 1947-11-28 1952-10-28 Cunningham Smith Perry Automatic vacuum systems
US2707249A (en) * 1951-02-02 1955-04-26 Rca Corp Discharge gage control of vacuum systems
US3007496A (en) * 1955-09-13 1961-11-07 Thompson Ramo Wooldridge Inc Leveling valve
US2843150A (en) * 1955-12-08 1958-07-15 Charles M Goodwin Water mixing faucet

Also Published As

Publication number Publication date
US3164170A (en) 1965-01-05

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