AT471460T - Pre-controlled check valve - Google Patents

Pre-controlled check valve

Info

Publication number
AT471460T
AT471460T AT05801436T AT05801436T AT471460T AT 471460 T AT471460 T AT 471460T AT 05801436 T AT05801436 T AT 05801436T AT 05801436 T AT05801436 T AT 05801436T AT 471460 T AT471460 T AT 471460T
Authority
AT
Austria
Prior art keywords
check valve
controlled check
controlled
valve
Prior art date
Application number
AT05801436T
Other languages
German (de)
Inventor
Georg Rausch
Original Assignee
Bosch Rexroth Ag
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
Priority to DE102004050431 priority Critical
Priority to DE102004061562 priority
Application filed by Bosch Rexroth Ag filed Critical Bosch Rexroth Ag
Priority to PCT/DE2005/001801 priority patent/WO2006042508A1/en
Publication of AT471460T publication Critical patent/AT471460T/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/2015Means for forcing the molten metal into the die
    • B22D17/2069Exerting after-pressure on the moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/32Controlling equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • B29C45/82Hydraulic or pneumatic circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/022Systems essentially incorporating special features for controlling the speed or actuating force of an output member in which a rapid approach stroke is followed by a slower, high-force working stroke
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0431Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the electrical control resulting in an on-off function
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76498Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76655Location of control
    • B29C2945/76775Fluids
    • B29C2945/76785Fluids hydraulic fluids
AT05801436T 2004-10-15 2005-10-07 Pre-controlled check valve AT471460T (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102004050431 2004-10-15
DE102004061562 2004-12-21
PCT/DE2005/001801 WO2006042508A1 (en) 2004-10-15 2005-10-07 Piloted non-return valve

Publications (1)

Publication Number Publication Date
AT471460T true AT471460T (en) 2010-07-15

Family

ID=35654146

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05801436T AT471460T (en) 2004-10-15 2005-10-07 Pre-controlled check valve

Country Status (5)

Country Link
EP (1) EP1800012B1 (en)
CN (1) CN101048598B (en)
AT (1) AT471460T (en)
DE (2) DE502005009768D1 (en)
WO (1) WO2006042508A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009036596A1 (en) * 2008-08-28 2010-03-04 Robert Bosch Gmbh way valve
DE102008055542A1 (en) * 2008-12-17 2010-07-01 Bühler Druckguss AG Pressure intensifier with integrated non-return valve
DE102012016838A1 (en) * 2012-08-27 2014-02-27 Robert Bosch Gmbh Hydraulic control circuit for load e.g. hydraulic operated casting cylinder, has first control units whose non return valve is configured so that inflow of fluid of second control units from load to first control units is prevented
EP2829379A1 (en) * 2013-07-22 2015-01-28 Eugen Seitz AG Valve assembly
DE102013227053A1 (en) * 2013-12-23 2015-06-25 Robert Bosch Gmbh Hydraulic axis
CN103644336B (en) * 2013-12-28 2015-09-23 太重集团榆次液压工业有限公司 Leading type active band position monitoring safety valve
JP6511964B2 (en) * 2015-05-28 2019-05-15 アイシン精機株式会社 Fluid control device
WO2018095963A1 (en) * 2016-11-24 2018-05-31 Robert Bosch Gmbh Hydraulic casting unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT980603B (en) * 1972-04-17 1974-10-10 Hydromatik Gmbh Two-way seat type valve
CH563532A5 (en) * 1973-03-14 1975-06-30 Buehler Ag Geb
CH596485A5 (en) * 1975-08-20 1978-03-15 Sulzer Ag
JPS59137687A (en) * 1983-01-26 1984-08-07 Hitachi Ltd Main steam separator valve
DE9218312U1 (en) * 1992-08-13 1994-06-23 Rexroth Mannesmann Gmbh Hydraulic pressure control of a consumer
DE29717927U1 (en) * 1997-10-09 1997-11-20 Festo Ag & Co Valve unit
CN2632370Y (en) * 2003-08-06 2004-08-11 机械工业部西安重型机械研究所 Two-stage connecting high-pressure high-flow pressure-relief fluid discharge valves

Also Published As

Publication number Publication date
EP1800012A1 (en) 2007-06-27
CN101048598A (en) 2007-10-03
DE502005009768D1 (en) 2010-07-29
CN101048598B (en) 2011-05-18
DE112005002544A5 (en) 2007-07-12
EP1800012B1 (en) 2010-06-16
WO2006042508A1 (en) 2006-04-27

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee