FR2277616A1 - CYLINDER AND PISTON DEVICE FOR OVERCOMING FLOW RESISTANCES SUCH AS THOSE ENCOUNTERED IN FILTERING SYSTEMS - Google Patents

CYLINDER AND PISTON DEVICE FOR OVERCOMING FLOW RESISTANCES SUCH AS THOSE ENCOUNTERED IN FILTERING SYSTEMS

Info

Publication number
FR2277616A1
FR2277616A1 FR7521828A FR7521828A FR2277616A1 FR 2277616 A1 FR2277616 A1 FR 2277616A1 FR 7521828 A FR7521828 A FR 7521828A FR 7521828 A FR7521828 A FR 7521828A FR 2277616 A1 FR2277616 A1 FR 2277616A1
Authority
FR
France
Prior art keywords
cylinder
piston device
flow resistances
those encountered
filtering systems
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.)
Granted
Application number
FR7521828A
Other languages
French (fr)
Other versions
FR2277616B3 (en
Inventor
Wolfgang Hein
Peter Grundmann
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.)
General Electric Deutschland Holding GmbH
Original Assignee
Schleicher and Schuell GmbH
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 Schleicher and Schuell GmbH filed Critical Schleicher and Schuell GmbH
Publication of FR2277616A1 publication Critical patent/FR2277616A1/en
Application granted granted Critical
Publication of FR2277616B3 publication Critical patent/FR2277616B3/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • 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
    • F04B3/00—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage
    • F04B3/003—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage with two or more pistons reciprocating one within another, e.g. one piston forning cylinder of the other
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/125—Reciprocating valves
    • F04B53/129—Poppet valves
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/14—Pumps characterised by muscle-power operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3128—Incorporating one-way valves, e.g. pressure-relief or non-return valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
    • A61M2005/31598—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing having multiple telescopically sliding coaxial pistons encompassing volumes for components to be mixed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3145—Filters incorporated in syringes

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
FR7521828A 1974-07-11 1975-07-11 CYLINDER AND PISTON DEVICE FOR OVERCOMING FLOW RESISTANCES SUCH AS THOSE ENCOUNTERED IN FILTERING SYSTEMS Granted FR2277616A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742433399 DE2433399C3 (en) 1974-07-11 1974-07-11 Piston valve pump, especially for pressure filtration

Publications (2)

Publication Number Publication Date
FR2277616A1 true FR2277616A1 (en) 1976-02-06
FR2277616B3 FR2277616B3 (en) 1979-04-20

Family

ID=5920317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521828A Granted FR2277616A1 (en) 1974-07-11 1975-07-11 CYLINDER AND PISTON DEVICE FOR OVERCOMING FLOW RESISTANCES SUCH AS THOSE ENCOUNTERED IN FILTERING SYSTEMS

Country Status (7)

Country Link
JP (1) JPS5930913B2 (en)
CH (1) CH596452A5 (en)
DE (1) DE2433399C3 (en)
FR (1) FR2277616A1 (en)
GB (1) GB1483002A (en)
IT (1) IT1039682B (en)
NL (1) NL7508203A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037777A1 (en) 2009-10-01 2011-04-07 Decathlon Manual air pump for inflating e.g. bicycle tire in cycling shop, has recoil unit arranged within area of head, to enable transition of air if volume of chamber is reduced and pressure in chamber reaches threshold value
WO2016102446A1 (en) * 2014-12-24 2016-06-30 Ferrosan Medical Devices A/S Syringe for retaining and mixing first and second substances

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161804A (en) * 1980-05-16 1981-12-12 Nippon Enbairo Kogyo Kk Method and apparatus for separating oil and water
US4601625A (en) * 1984-05-11 1986-07-22 Illinois Tool Works Inc. Self drilling threaded insert for drywall
DE102008005319A1 (en) * 2008-01-21 2009-07-23 Seneca S.A. Device for separating drinking water fraction from sea water, has piston coupled to pushing-/traction element that is rotatably supported in eccentric, and valve control comprising control element that is movable by traction element
BR112017027695A2 (en) 2015-07-03 2018-09-04 Ferrosan Medical Devices As first and second substance retention and mixing syringe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010037777A1 (en) 2009-10-01 2011-04-07 Decathlon Manual air pump for inflating e.g. bicycle tire in cycling shop, has recoil unit arranged within area of head, to enable transition of air if volume of chamber is reduced and pressure in chamber reaches threshold value
WO2016102446A1 (en) * 2014-12-24 2016-06-30 Ferrosan Medical Devices A/S Syringe for retaining and mixing first and second substances

Also Published As

Publication number Publication date
NL7508203A (en) 1976-01-13
DE2433399C3 (en) 1978-09-14
FR2277616B3 (en) 1979-04-20
IT1039682B (en) 1979-12-10
CH596452A5 (en) 1978-03-15
DE2433399A1 (en) 1976-01-29
JPS5930913B2 (en) 1984-07-30
DE2433399B2 (en) 1978-01-19
JPS5133302A (en) 1976-03-22
GB1483002A (en) 1977-08-17

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