DE20116651U1 - Pressure sensor for measuring hydraulic pressures, especially for mining - Google Patents

Pressure sensor for measuring hydraulic pressures, especially for mining

Info

Publication number
DE20116651U1
DE20116651U1 DE20116651U DE20116651U DE20116651U1 DE 20116651 U1 DE20116651 U1 DE 20116651U1 DE 20116651 U DE20116651 U DE 20116651U DE 20116651 U DE20116651 U DE 20116651U DE 20116651 U1 DE20116651 U1 DE 20116651U1
Authority
DE
Germany
Prior art keywords
pressure
pressure sensor
hole
blind hole
pressure transducer
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
DE20116651U
Other languages
German (de)
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.)
Caterpillar Global Mining HMS GmbH
Original Assignee
DBT Automation 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 DBT Automation GmbH filed Critical DBT Automation GmbH
Priority to DE20116651U priority Critical patent/DE20116651U1/en
Publication of DE20116651U1 publication Critical patent/DE20116651U1/en
Priority to DE10294641T priority patent/DE10294641D2/en
Priority to PCT/EP2002/007867 priority patent/WO2003034017A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0609—Pressure pulsation damping arrangements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (4)

1. Druckaufnehmer zur Messung hydraulischer Drücke, insbesondere zur Verwendung in der Bergbauhydraulik, mit einem Hydraulikanschluss und einem über diesen hydraulisch beaufschlagbaren hydroelektrischen Druckwandler und mit einer die elektrischen Meßwerte vom Druckwandler verarbeitenden mit dem Druckwandler elektrisch verbundenen Verstärkerplatine, dadurch gekennzeichnet, daß die Druckzufuhr zum Druckaufnehmer (1) nicht durch eine direkte axiale Zuführbohrung vorgenommen wird.1. Pressure transducer for measuring hydraulic pressures, in particular for use in mining hydraulics, with a hydraulic connection and a hydroelectric pressure transducer which can be acted upon hydraulically and with an amplifier board which processes the electrical measured values from the pressure transducer and is electrically connected to the pressure transducer, characterized in that the pressure supply to the pressure transducer ( 1 ) not through a direct axial feed hole. 2. Druckaufnehmer nach Anspruch 1, dadurch gekennzeichnet, daß die Druckzufuhr durch vertikal auf die Mittelachse (7) des Druckaufnehmers (1) ausgerichtete Radialbohrung(en) (8) und einer hiermit verbundenen axialen Sacklochbohrung (6) vorgenommen wird.2. Pressure sensor according to claim 1, characterized in that the pressure supply is carried out by vertically on the central axis ( 7 ) of the pressure sensor ( 1 ) aligned radial bore (s) ( 8 ) and an associated axial blind hole ( 6 ). 3. Druckaufnehmer nach Anspruch 1, dadurch gekennzeichnet, daß die Druckzufuhr durch schräg zur axialen Sacklochbohrung (6) ausgerichtete Schrägbohrung(en) von der Hydraulikseite (2) des Druckaufnehmers (1) vorgenommen wird.3. Pressure sensor according to claim 1, characterized in that the pressure supply by oblique to the axial blind hole ( 6 ) aligned oblique hole (s) from the hydraulic side ( 2 ) of the pressure sensor ( 1 ) is made. 4. Druckaufnehmer nach Anspruch 1, dadurch gekennzeichnet, daß die Druckzufuhr durch koaxial zur Sacklochbohrung (6) ausgerichtete Stichbohrung(en) und über nach außen hin verschließbare radiale Bohrung(en) mit der axialen Sacklochbohrung (6) verbunden ist.4. Pressure sensor according to claim 1, characterized in that the pressure supply through coaxial to the blind hole ( 6 ) aligned tap hole (s) and via externally closable radial hole (s) is connected to the axial blind hole ( 6 ).
DE20116651U 2001-10-10 2001-10-10 Pressure sensor for measuring hydraulic pressures, especially for mining Expired - Lifetime DE20116651U1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE20116651U DE20116651U1 (en) 2001-10-10 2001-10-10 Pressure sensor for measuring hydraulic pressures, especially for mining
DE10294641T DE10294641D2 (en) 2001-10-10 2002-07-16 Pressure sensor for measuring hydraulic pressures
PCT/EP2002/007867 WO2003034017A1 (en) 2001-10-10 2002-07-16 Pressure sensor for measuring hydraulic pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20116651U DE20116651U1 (en) 2001-10-10 2001-10-10 Pressure sensor for measuring hydraulic pressures, especially for mining

Publications (1)

Publication Number Publication Date
DE20116651U1 true DE20116651U1 (en) 2002-02-21

Family

ID=7962718

Family Applications (2)

Application Number Title Priority Date Filing Date
DE20116651U Expired - Lifetime DE20116651U1 (en) 2001-10-10 2001-10-10 Pressure sensor for measuring hydraulic pressures, especially for mining
DE10294641T Expired - Lifetime DE10294641D2 (en) 2001-10-10 2002-07-16 Pressure sensor for measuring hydraulic pressures

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE10294641T Expired - Lifetime DE10294641D2 (en) 2001-10-10 2002-07-16 Pressure sensor for measuring hydraulic pressures

Country Status (2)

Country Link
DE (2) DE20116651U1 (en)
WO (1) WO2003034017A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004025339B4 (en) * 2004-05-19 2007-09-06 Ifm Electronic Gmbh pressure sensor
DE102007003702B4 (en) * 2007-01-25 2016-11-17 Siemag Tecberg Gmbh Tube supplier, in particular three-chamber tube feeders

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1075355A (en) * 1963-02-08 1967-07-12 Fairey Eng Improvements relating to excess pressure protective devices for pressure gauges etc
GB1118223A (en) * 1966-03-01 1968-06-26 Rast Ind Pty Ltd Protector for pressure gauges
DE3713236A1 (en) * 1987-04-18 1988-11-03 Parker Ermeto Gmbh DEVICE FOR MEASURING PRESSURES
JPH0392739A (en) * 1989-09-05 1991-04-17 Mitsubishi Electric Corp Liquid pressure sensor

Also Published As

Publication number Publication date
WO2003034017A1 (en) 2003-04-24
DE10294641D2 (en) 2004-09-09

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020328

R081 Change of applicant/patentee

Owner name: BUCYRUS EUROPE GMBH, DE

Free format text: FORMER OWNER: DBT AUTOMATION GMBH, 45128 ESSEN, DE

Effective date: 20020424

R150 Term of protection extended to 6 years

Effective date: 20040315

R081 Change of applicant/patentee

Owner name: BUCYRUS EUROPE GMBH, DE

Free format text: FORMER OWNER: DBT AUTOMATION GMBH, 44534 LUENEN, DE

Effective date: 20050728

R151 Term of protection extended to 8 years

Effective date: 20071022

R081 Change of applicant/patentee

Owner name: BUCYRUS EUROPE GMBH, DE

Free format text: FORMER OWNER: DBT GMBH, 44534 LUENEN, DE

Effective date: 20080417

R152 Term of protection extended to 10 years

Effective date: 20090814

R081 Change of applicant/patentee

Owner name: BUCYRUS EUROPE GMBH, DE

Free format text: FORMER OWNER: BUCYRUS DBT EUROPE GMBH, 44534 LUENEN, DE

Effective date: 20100324

R071 Expiry of right
R071 Expiry of right