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JPS57203891A - Tube pump - Google Patents

Tube pump

Info

Publication number
JPS57203891A
JPS57203891A JP8772381A JP8772381A JPS57203891A JP S57203891 A JPS57203891 A JP S57203891A JP 8772381 A JP8772381 A JP 8772381A JP 8772381 A JP8772381 A JP 8772381A JP S57203891 A JPS57203891 A JP S57203891A
Authority
JP
Japan
Prior art keywords
fluid
tube
rollers
guide plate
discharge side
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
JP8772381A
Other languages
Japanese (ja)
Other versions
JPS6211198B2 (en
Inventor
Goro Adachi
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.)
M II GIKEN KK
Original Assignee
M II GIKEN KK
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 M II GIKEN KK filed Critical M II GIKEN KK
Priority to JP8772381A priority Critical patent/JPS57203891A/en
Publication of JPS57203891A publication Critical patent/JPS57203891A/en
Publication of JPS6211198B2 publication Critical patent/JPS6211198B2/ja
Granted 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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C2/063—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

PURPOSE:To prevent occurrence of pulsation of fluid flow due to backflow of fluid to be conveyed, by making rollers travel along a guide plate having a contour constituted by straight sections and arcuate sections connected to each other, and detaching the rollers away from a tube gradually along the straight contour section of the guide plate on the discharge side of the pump. CONSTITUTION:Since arrangement is such that the travelling speed of rollers 3 at straight sections 6b of a guide plate 6 is lower than that at an arcuate section 6al, the pressure of fluid in a tube 2 between a preceding roller 3-1 and a succeeding roller 3-2 is increased by the above difference of the travelling speed of the rollers before the tube 2 is opened, so that backflow of high-pressure fluid on the discharge side into the tube 2, due to the rising of fluid pressure on the discharge side at the time of discharging fluid, can be prevented. At the same time, it is prevented that the amount of fluid equal to the volume of the tube 2 confined between the above two rollers flows back into the tube 2 when the rollers 3 are detached gradually away from the tube 2. Thus, it is enabled to prevent occurrence of pulsation of the discharged fluid.
JP8772381A 1981-06-08 1981-06-08 Tube pump Granted JPS57203891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8772381A JPS57203891A (en) 1981-06-08 1981-06-08 Tube pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8772381A JPS57203891A (en) 1981-06-08 1981-06-08 Tube pump

Publications (2)

Publication Number Publication Date
JPS57203891A true JPS57203891A (en) 1982-12-14
JPS6211198B2 JPS6211198B2 (en) 1987-03-11

Family

ID=13922825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8772381A Granted JPS57203891A (en) 1981-06-08 1981-06-08 Tube pump

Country Status (1)

Country Link
JP (1) JPS57203891A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5057081A (en) * 1990-06-15 1991-10-15 Sherwood Medical Company Peristaltic infusion device
US5127908A (en) * 1990-06-15 1992-07-07 Sherwood Medical Company Peristaltic infusion device
US5133650A (en) * 1990-06-15 1992-07-28 Sherwood Medical Company Infusion device rotor shield
US5147312A (en) * 1990-06-15 1992-09-15 Sherwood Medical Company Peristaltic infusion device drip chamber yoke
US5158528A (en) * 1990-06-15 1992-10-27 Sherwood Medical Company Peristaltic infusion device and charger unit
US5181842A (en) * 1990-06-15 1993-01-26 Sherwood Medical Company Peristaltic infusion device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63177981U (en) * 1987-05-11 1988-11-17

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5057081A (en) * 1990-06-15 1991-10-15 Sherwood Medical Company Peristaltic infusion device
US5127908A (en) * 1990-06-15 1992-07-07 Sherwood Medical Company Peristaltic infusion device
US5133650A (en) * 1990-06-15 1992-07-28 Sherwood Medical Company Infusion device rotor shield
US5147312A (en) * 1990-06-15 1992-09-15 Sherwood Medical Company Peristaltic infusion device drip chamber yoke
US5158528A (en) * 1990-06-15 1992-10-27 Sherwood Medical Company Peristaltic infusion device and charger unit
US5181842A (en) * 1990-06-15 1993-01-26 Sherwood Medical Company Peristaltic infusion device

Also Published As

Publication number Publication date
JPS6211198B2 (en) 1987-03-11

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