IT1231308B - Unita' a pistone con membrana a rotolamento - Google Patents

Unita' a pistone con membrana a rotolamento

Info

Publication number
IT1231308B
IT1231308B IT8921345A IT2134589A IT1231308B IT 1231308 B IT1231308 B IT 1231308B IT 8921345 A IT8921345 A IT 8921345A IT 2134589 A IT2134589 A IT 2134589A IT 1231308 B IT1231308 B IT 1231308B
Authority
IT
Italy
Prior art keywords
piston
vacuum
chamber
rolling membrane
piston unit
Prior art date
Application number
IT8921345A
Other languages
English (en)
Other versions
IT8921345A0 (it
Inventor
Franco Santi
Giorgio Bordini
Original Assignee
Tetra Dev Co
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 Tetra Dev Co filed Critical Tetra Dev Co
Publication of IT8921345A0 publication Critical patent/IT8921345A0/it
Priority to IT8921345A priority Critical patent/IT1231308B/it
Priority to DK90111200.3T priority patent/DK0410125T3/da
Priority to US07/537,121 priority patent/US5090299A/en
Priority to EP90111200A priority patent/EP0410125B1/en
Priority to ES90111200T priority patent/ES2044323T3/es
Priority to DE90111200T priority patent/DE69002713T2/de
Priority to AT90111200T priority patent/ATE93008T1/de
Priority to CA002019976A priority patent/CA2019976C/en
Priority to SU904830625A priority patent/RU1838709C/ru
Priority to JP2198971A priority patent/JPH0369802A/ja
Priority to AU59815/90A priority patent/AU630727B2/en
Application granted granted Critical
Publication of IT1231308B publication Critical patent/IT1231308B/it

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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0081—Special features systems, control, safety measures
    • F04B43/009—Special features systems, control, safety measures leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Massaging Devices (AREA)
  • External Artificial Organs (AREA)
  • Actuator (AREA)
  • Non-Alcoholic Beverages (AREA)
  • Dairy Products (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Basic Packing Technique (AREA)
  • General Preparation And Processing Of Foods (AREA)
IT8921345A 1989-07-27 1989-07-27 Unita' a pistone con membrana a rotolamento IT1231308B (it)

Priority Applications (11)

Application Number Priority Date Filing Date Title
IT8921345A IT1231308B (it) 1989-07-27 1989-07-27 Unita' a pistone con membrana a rotolamento
ES90111200T ES2044323T3 (es) 1989-07-27 1990-06-13 Unidad de piston con membrana deslizanate.
US07/537,121 US5090299A (en) 1989-07-27 1990-06-13 Piston unit with rolling membrane
EP90111200A EP0410125B1 (en) 1989-07-27 1990-06-13 Piston unit with rolling membrane
DK90111200.3T DK0410125T3 (da) 1989-07-27 1990-06-13 Stempelenhed med rullemembraner
DE90111200T DE69002713T2 (de) 1989-07-27 1990-06-13 Kolbeneinheit mit Rollmembranen.
AT90111200T ATE93008T1 (de) 1989-07-27 1990-06-13 Kolbeneinheit mit rollmembranen.
CA002019976A CA2019976C (en) 1989-07-27 1990-06-27 Piston unit with rolling membrane
SU904830625A RU1838709C (ru) 1989-07-27 1990-07-26 Поршневой блок с гибкими мембранами
JP2198971A JPH0369802A (ja) 1989-07-27 1990-07-26 転動膜を備えるピストンユニット
AU59815/90A AU630727B2 (en) 1989-07-27 1990-07-26 Piston unit with rolling membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921345A IT1231308B (it) 1989-07-27 1989-07-27 Unita' a pistone con membrana a rotolamento

Publications (2)

Publication Number Publication Date
IT8921345A0 IT8921345A0 (it) 1989-07-27
IT1231308B true IT1231308B (it) 1991-11-28

Family

ID=11180430

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921345A IT1231308B (it) 1989-07-27 1989-07-27 Unita' a pistone con membrana a rotolamento

Country Status (11)

Country Link
US (1) US5090299A (it)
EP (1) EP0410125B1 (it)
JP (1) JPH0369802A (it)
AT (1) ATE93008T1 (it)
AU (1) AU630727B2 (it)
CA (1) CA2019976C (it)
DE (1) DE69002713T2 (it)
DK (1) DK0410125T3 (it)
ES (1) ES2044323T3 (it)
IT (1) IT1231308B (it)
RU (1) RU1838709C (it)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1251298B (it) * 1991-08-27 1995-05-08 Tetra Dev Co Metodo e dispositivo per il pompaggio dosato
US5205133A (en) * 1992-01-16 1993-04-27 R & D Technologies, Inc. High efficiency pool heating system
US5281210A (en) * 1992-09-18 1994-01-25 Infusaid, Inc. Accumulator for implantable pump
US5611672A (en) * 1993-11-24 1997-03-18 Transnational Instruments, Inc. Pumping chamber movement activated downhole pneumatic pump
US5897304A (en) * 1996-12-16 1999-04-27 Tetra Laval Holdings & Finance, Sa Flow-through vertical filling pump with a plurality of diaphragms
US5913665A (en) * 1997-03-28 1999-06-22 Tetra Laval Holdings & Finance, Sa Fill pump with rolling diaphragms attached by vacuum to the piston
US6041576A (en) * 1998-04-30 2000-03-28 Tetra Laval Holdings & Finance, Sa Fill system for particulates
GB9920212D0 (en) 1999-08-27 1999-10-27 Binks Ltd Surge suppression apparatus
US6497676B1 (en) 2000-02-10 2002-12-24 Baxter International Method and apparatus for monitoring and controlling peritoneal dialysis therapy
US7153286B2 (en) 2002-05-24 2006-12-26 Baxter International Inc. Automated dialysis system
US7175606B2 (en) 2002-05-24 2007-02-13 Baxter International Inc. Disposable medical fluid unit having rigid frame
DE10224750A1 (de) 2002-06-04 2003-12-24 Fresenius Medical Care De Gmbh Vorrichtung zur Behandlung einer medizinischen Flüssigkeit
EP1523347B1 (en) 2002-07-19 2011-05-18 Baxter International Inc. Systems and methods for performing peritoneal dialysis
US7238164B2 (en) 2002-07-19 2007-07-03 Baxter International Inc. Systems, methods and apparatuses for pumping cassette-based therapies
US7575564B2 (en) 2003-10-28 2009-08-18 Baxter International Inc. Priming, integrity and head height methods and apparatuses for medical fluid systems
US7935074B2 (en) 2005-02-28 2011-05-03 Fresenius Medical Care Holdings, Inc. Cassette system for peritoneal dialysis machine
WO2006122268A2 (en) * 2005-05-10 2006-11-16 Pendotech Sanitary diaphragm pump for critical bioprocess applications
US8197231B2 (en) 2005-07-13 2012-06-12 Purity Solutions Llc Diaphragm pump and related methods
US20070134112A1 (en) * 2005-12-14 2007-06-14 Hupp Evan L Button diaphragm piston pump
US20090060687A1 (en) * 2007-08-28 2009-03-05 White John M Transfer chamber with rolling diaphragm
US8062513B2 (en) 2008-07-09 2011-11-22 Baxter International Inc. Dialysis system and machine having therapy prescription recall
US9514283B2 (en) 2008-07-09 2016-12-06 Baxter International Inc. Dialysis system having inventory management including online dextrose mixing
DE102009012633A1 (de) 2009-03-10 2010-09-23 Fresenius Medical Care Deutschland Gmbh Vorrichtung zum Verbinden einer externen Funktionseinrichtung mit einer Anordnung, Anordnung aufweisend eine solche Vorrichtung und Verfahren zum Verbinden
US8192401B2 (en) 2009-03-20 2012-06-05 Fresenius Medical Care Holdings, Inc. Medical fluid pump systems and related components and methods
WO2011008858A1 (en) 2009-07-15 2011-01-20 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
CN103477092A (zh) * 2010-12-07 2013-12-25 通用压缩股份有限公司 带有滚动活塞密封件的压缩机和/或膨胀机装置
US9694125B2 (en) 2010-12-20 2017-07-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
US9624915B2 (en) 2011-03-09 2017-04-18 Fresenius Medical Care Holdings, Inc. Medical fluid delivery sets and related systems and methods
CN103648540B (zh) 2011-04-21 2016-06-01 弗雷塞尼斯医疗保健控股公司 医疗流体泵送系统及相关装置和方法
US9610392B2 (en) 2012-06-08 2017-04-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
US9500188B2 (en) 2012-06-11 2016-11-22 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
US9561323B2 (en) 2013-03-14 2017-02-07 Fresenius Medical Care Holdings, Inc. Medical fluid cassette leak detection methods and devices
US10117985B2 (en) 2013-08-21 2018-11-06 Fresenius Medical Care Holdings, Inc. Determining a volume of medical fluid pumped into or out of a medical fluid cassette
EP3181944B1 (de) 2015-12-16 2023-04-26 Integrated Dynamics Engineering GmbH Schwingungsisolator mit einer vertikal wirksamen pneumatischen feder
EP3260732B1 (de) * 2016-06-23 2019-03-27 Integrated Dynamics Engineering GmbH Pneumatischer aktor sowie verfahren zum betrieb eines aktiven schwingungsisolationssystem
EP3260733B1 (de) 2016-06-23 2019-08-07 Integrated Dynamics Engineering GmbH Aktives stationäres schwingungsisolationssystem
CN106870728A (zh) * 2017-04-15 2017-06-20 张金强 无摩擦活塞
IT201700045260A1 (it) * 2017-04-26 2018-10-26 Argal S R L Unita’ e metodo per il controllo del funzionamento di una pompa pneumatica a membrana
US11179516B2 (en) 2017-06-22 2021-11-23 Baxter International Inc. Systems and methods for incorporating patient pressure into medical fluid delivery

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428042A (en) * 1964-08-10 1969-02-18 United Aircraft Corp Heart pump actuator
DE1936811A1 (de) * 1969-07-19 1971-02-04 Hamba Maschf Pumpenartige Foerdervorrichtung
US3741692A (en) * 1970-12-17 1973-06-26 Rupp Co Warren Surge suppressor for fluid lines
DE2553981A1 (de) * 1975-12-01 1977-06-08 Gerd W Dipl Ing Dr Ing Seifert Arbeitselement
US4313464A (en) * 1979-11-06 1982-02-02 Emery Major Fluid control apparatus

Also Published As

Publication number Publication date
IT8921345A0 (it) 1989-07-27
DK0410125T3 (da) 1993-10-04
CA2019976A1 (en) 1991-01-27
CA2019976C (en) 1996-04-30
US5090299A (en) 1992-02-25
EP0410125B1 (en) 1993-08-11
DE69002713D1 (de) 1993-09-16
JPH0369802A (ja) 1991-03-26
EP0410125A1 (en) 1991-01-30
ES2044323T3 (es) 1994-01-01
AU630727B2 (en) 1992-11-05
RU1838709C (ru) 1993-08-30
AU5981590A (en) 1991-01-31
ATE93008T1 (de) 1993-08-15
DE69002713T2 (de) 1993-11-25

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960729