ZA83476B - Air filtration - Google Patents

Air filtration

Info

Publication number
ZA83476B
ZA83476B ZA83476A ZA83476A ZA83476B ZA 83476 B ZA83476 B ZA 83476B ZA 83476 A ZA83476 A ZA 83476A ZA 83476 A ZA83476 A ZA 83476A ZA 83476 B ZA83476 B ZA 83476B
Authority
ZA
South Africa
Prior art keywords
air filtration
filtration
air
Prior art date
Application number
ZA83476A
Other languages
English (en)
Inventor
Robert Stewart Gladstone
Original Assignee
Coopers Filters Ltd
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 Coopers Filters Ltd filed Critical Coopers Filters Ltd
Publication of ZA83476B publication Critical patent/ZA83476B/xx

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
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7879—Resilient material valve
    • Y10T137/788—Having expansible port
    • Y10T137/7882—Having exit lip

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
ZA83476A 1982-02-13 1983-01-25 Air filtration ZA83476B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08204267A GB2114711A (en) 1982-02-13 1982-02-13 Gravity dump valve

Publications (1)

Publication Number Publication Date
ZA83476B true ZA83476B (en) 1983-10-26

Family

ID=10528316

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA83476A ZA83476B (en) 1982-02-13 1983-01-25 Air filtration

Country Status (10)

Country Link
US (1) US4494575A (OSRAM)
JP (1) JPS58149476A (OSRAM)
AU (1) AU549462B2 (OSRAM)
DE (1) DE3302367C2 (OSRAM)
ES (1) ES279775Y (OSRAM)
FR (1) FR2521680B1 (OSRAM)
GB (1) GB2114711A (OSRAM)
IT (1) IT1167067B (OSRAM)
SE (2) SE453727B (OSRAM)
ZA (1) ZA83476B (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594739A (en) * 1984-05-21 1986-06-17 Watts Brian R Protective drain
US4735640A (en) * 1987-06-08 1988-04-05 General Motors Corporation Air cleaner liquid drain and filter assembly
DE8805050U1 (de) * 1988-04-16 1988-06-16 Ing. Walter Hengst GmbH & Co KG, 4400 Münster Zyklon-Vorabscheider
US4993452A (en) * 1989-12-22 1991-02-19 Cummins Engine Company, Inc. Low pressure check valve
SE470160B (sv) * 1992-04-27 1993-11-22 Tetra Laval Holdings & Finance Munstycke med transversell förstyvningsribba, för fyllrör i en förpackningsmaskin
US6092611A (en) * 1997-05-28 2000-07-25 Dresser Industries, Inc. Encapsulated elastomeric relief valve
US6367505B1 (en) * 2000-03-22 2002-04-09 Red Valve Co., Inc. Check valve with oversized bill
US9139991B2 (en) 2011-01-31 2015-09-22 The Rectorseal Corporation Floor drain valve with resiliently mounted rigid flappers
US9010363B2 (en) 2013-06-24 2015-04-21 The Rectorseal Corporation Drain valve
US9416986B2 (en) 2013-06-24 2016-08-16 The Rectorseal Corporation Valve for roof vent
US20150308582A1 (en) * 2014-04-23 2015-10-29 W. L. Gore & Associates, Inc. Venting Systems and Methods

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2328382A (en) * 1941-10-08 1943-08-31 Jesse D Langdon Flexible check valve and vacuum breaker
US2371449A (en) * 1942-12-12 1945-03-13 Jesse D Langdon Valve
US2598002A (en) * 1946-08-20 1952-05-27 Jesse D Langdon Check valve construction
US2642259A (en) * 1947-10-25 1953-06-16 Manitowoc Shipbuilding Company Valve
GB971851A (en) * 1962-04-19 1964-10-07 Bacho Ab Dust discharge valve
DE1507805A1 (de) * 1965-01-14 1970-04-02 Goulding Fertilisers Ltd Zyklonenscheider
GB1189399A (en) * 1967-08-05 1970-04-22 Amis Non-Return Valve
GB1238885A (OSRAM) * 1968-09-23 1971-07-14
GB1238884A (OSRAM) * 1968-09-23 1971-07-14
US3586040A (en) * 1969-11-06 1971-06-22 Machinery Co Const Valve means
US3595266A (en) * 1970-01-27 1971-07-27 American Precision Ind Vacuum unloading valve for dust collectors
US3901272A (en) * 1974-01-04 1975-08-26 Ford Motor Co Unidirectional flow control valve
US3898701A (en) * 1974-01-17 1975-08-12 Russa Joseph Implantable heart valve

Also Published As

Publication number Publication date
DE3302367A1 (de) 1983-08-25
JPS58149476A (ja) 1983-09-05
SE453727B (sv) 1988-02-29
AU1070183A (en) 1983-08-18
IT1167067B (it) 1987-05-06
JPH0235180B2 (OSRAM) 1990-08-08
SE8300515D0 (sv) 1983-02-01
US4494575A (en) 1985-01-22
IT8347663A0 (it) 1983-02-03
FR2521680A1 (fr) 1983-08-19
AU549462B2 (en) 1986-01-30
FR2521680B1 (fr) 1986-07-04
ES279775Y (es) 1985-06-01
ES279775U (es) 1984-11-16
DE3302367C2 (de) 1994-02-17
SE8300515L (sv) 1983-08-14
GB2114711A (en) 1983-08-24

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