DE68915137T2 - Flüssigkeitsprobennahmevorrichtung mit einfach wirkender Kleinstpumpeneinheit. - Google Patents

Flüssigkeitsprobennahmevorrichtung mit einfach wirkender Kleinstpumpeneinheit.

Info

Publication number
DE68915137T2
DE68915137T2 DE68915137T DE68915137T DE68915137T2 DE 68915137 T2 DE68915137 T2 DE 68915137T2 DE 68915137 T DE68915137 T DE 68915137T DE 68915137 T DE68915137 T DE 68915137T DE 68915137 T2 DE68915137 T2 DE 68915137T2
Authority
DE
Germany
Prior art keywords
piston
housing
valve
pump unit
sampling device
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 - Lifetime
Application number
DE68915137T
Other languages
English (en)
Other versions
DE68915137D1 (de
Inventor
Hill Lalin
William Fleming
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.)
GILIAN INSTR CORP
Original Assignee
GILIAN INSTR CORP
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 GILIAN INSTR CORP filed Critical GILIAN INSTR CORP
Application granted granted Critical
Publication of DE68915137D1 publication Critical patent/DE68915137D1/de
Publication of DE68915137T2 publication Critical patent/DE68915137T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F04B11/0033—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a mechanical spring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14—Suction devices, e.g. pumps; Ejector devices

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Reciprocating Pumps (AREA)
DE68915137T 1988-12-27 1989-12-27 Flüssigkeitsprobennahmevorrichtung mit einfach wirkender Kleinstpumpeneinheit. Expired - Lifetime DE68915137T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/290,580 US4896548A (en) 1988-12-27 1988-12-27 Fluid sampler with miniature single-acting pump assembly

Publications (2)

Publication Number Publication Date
DE68915137D1 DE68915137D1 (de) 1994-06-09
DE68915137T2 true DE68915137T2 (de) 1994-12-08

Family

ID=23116638

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915137T Expired - Lifetime DE68915137T2 (de) 1988-12-27 1989-12-27 Flüssigkeitsprobennahmevorrichtung mit einfach wirkender Kleinstpumpeneinheit.

Country Status (5)

Country Link
US (1) US4896548A (de)
EP (1) EP0376247B1 (de)
AT (1) ATE105407T1 (de)
CA (1) CA2006488A1 (de)
DE (1) DE68915137T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500187C2 (sv) * 1991-06-07 1994-05-02 Humanteknik Ab Förfarande för transport av vätska och pumpanordning för genomförande av förfarandet
EP0802832B1 (de) * 1995-01-09 1999-06-09 Campbell Hausfeld/Scott Fetzer Company Einlaufventil für eine luftlose sprühvorrichtung
WO1998017990A1 (en) * 1996-10-18 1998-04-30 Westinghouse Savannah River Company Programmable atmospheric sampling systems and methods
US6209309B1 (en) * 1997-12-19 2001-04-03 Hamilton Sundstrand Corporation Pulse width modulated fuel flow control for an engine
US6679098B2 (en) * 2002-02-25 2004-01-20 Advanced Test Products, Inc. High flow rate sample flow path assembly for electronic gas leak detectors
IL154387A0 (en) * 2003-02-11 2009-02-11 Yoram Kadman Apparatus and method for collectingsoil solution samples
WO2007075166A1 (en) * 2005-12-27 2007-07-05 Carrier Corporation Flat insulated wall section
DE102010036941B4 (de) * 2010-08-11 2012-09-13 Sauer-Danfoss Gmbh & Co. Ohg Verfahren und Vorrichtung zur Ermittlung des Zustands eines elektrisch angesteuerten Ventils
WO2016176120A1 (en) * 2015-04-27 2016-11-03 Ideal Industries, Inc. Personal air sampling pump assembly
US10989630B2 (en) * 2018-10-03 2021-04-27 Advanced Sampling Process Instruments Ltd. Sampling apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4432248A (en) * 1980-10-29 1984-02-21 Gilian Instrument Corporation Fluid sampling
FR2517378B1 (fr) * 1981-11-28 1988-03-11 Becker Erich Pompe a membrane
US4532814A (en) * 1983-07-12 1985-08-06 Lalin Hill S Fluid sampler and gas flow control system and method
US4576054A (en) * 1983-07-12 1986-03-18 Lalin Hill S Dual mode gas sampler and pneumatic flow control system
US4743169A (en) * 1984-08-25 1988-05-10 Aisin Seiki Kabushiki Kaisha Diaphragm-type vacuum pump device
US4527953A (en) * 1984-10-12 1985-07-09 E. I. Du Pont De Nemours And Company Pump unit for sampling air
SU1361374A1 (ru) * 1986-07-29 1987-12-23 Одесский Технологический Институт Холодильной Промышленности Способ работы поршневого насоса и насосна установка дл его осуществлени

Also Published As

Publication number Publication date
EP0376247A2 (de) 1990-07-04
US4896548A (en) 1990-01-30
CA2006488A1 (en) 1990-06-27
EP0376247B1 (de) 1994-05-04
ATE105407T1 (de) 1994-05-15
DE68915137D1 (de) 1994-06-09
EP0376247A3 (en) 1990-09-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee