GB1252184A - - Google Patents

Info

Publication number
GB1252184A
GB1252184A GB1252184DA GB1252184A GB 1252184 A GB1252184 A GB 1252184A GB 1252184D A GB1252184D A GB 1252184DA GB 1252184 A GB1252184 A GB 1252184A
Authority
GB
United Kingdom
Prior art keywords
plunger
vacuum
sleeve
atmosphere
passage
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
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 filed Critical
Publication of GB1252184A publication Critical patent/GB1252184A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • Y10T137/86083—Vacuum pump
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Driven Valves (AREA)
  • Details Of Valves (AREA)

Abstract

1,252,184. Valves. VARIAN ASSOCIATES. 3 Feb., 1969 [19 Feb., 1968], No. 5762/69. Heading F2V. [Also in Division F1] A valve which is designed to place an apparatus in communication either with vacuum or with atmosphere, is connected to the apparatus via a line 24, has its body 6 disposed within a vacuum manifold 3, and includes a spring-biased plunger 14, the degree of movement of which plunger may be varied. With the plunger in the position shown, and in the absence of the vacuum seal provided by the depicted operator's finger, the apparatus communicates with atmosphere via line 24 and passages 27 and 28. Upon establishment of such a vacuum seal and subsequent depression of the plunger 14 from its uppermost, seated position, communication with atmosphere is interrupted and the apparatus is connected to vacuum via line 24 and passages 21. The innermost end of the passage 28 is threaded to receive a suitably threaded sleeve, the interior of which sleeve constitutes passage 27, and the innermost end of line 24 has extending thereacross a pin 26, the sleeve and pin co-acting to form a stop for limiting the extent of plunger downward movement, adjustment of such extent being achieved by appropriate manipulation, through the free end of passage 28, of the sleeve.
GB1252184D 1968-02-19 1969-02-03 Expired GB1252184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70649168A 1968-02-19 1968-02-19

Publications (1)

Publication Number Publication Date
GB1252184A true GB1252184A (en) 1971-11-03

Family

ID=24837828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252184D Expired GB1252184A (en) 1968-02-19 1969-02-03

Country Status (6)

Country Link
US (1) US3537474A (en)
JP (1) JPS4831570B1 (en)
CH (1) CH488134A (en)
DE (1) DE1904602B2 (en)
FR (1) FR2002189A1 (en)
GB (1) GB1252184A (en)

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Also Published As

Publication number Publication date
JPS4831570B1 (en) 1973-09-29
US3537474A (en) 1970-11-03
FR2002189A1 (en) 1969-10-17
DE1904602B2 (en) 1971-08-19
DE1904602A1 (en) 1969-11-27
CH488134A (en) 1970-03-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees