EP2696075A3 - Gear wheel machine with force sensor in the form of a piezo film - Google Patents

Gear wheel machine with force sensor in the form of a piezo film Download PDF

Info

Publication number
EP2696075A3
EP2696075A3 EP13178333.4A EP13178333A EP2696075A3 EP 2696075 A3 EP2696075 A3 EP 2696075A3 EP 13178333 A EP13178333 A EP 13178333A EP 2696075 A3 EP2696075 A3 EP 2696075A3
Authority
EP
European Patent Office
Prior art keywords
piezo film
gear wheel
force sensor
wheel machine
housing
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
EP13178333.4A
Other languages
German (de)
French (fr)
Other versions
EP2696075A2 (en
EP2696075B1 (en
Inventor
Kai Sutter
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2696075A2 publication Critical patent/EP2696075A2/en
Publication of EP2696075A3 publication Critical patent/EP2696075A3/en
Application granted granted Critical
Publication of EP2696075B1 publication Critical patent/EP2696075B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/81—Sensor, e.g. electronic sensor for control or monitoring
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/04—Force
    • F04C2270/042—Force radial

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

Zahnradmaschine (10) mit wenigstens zwei Zahnrädern, die im Außeneingriff miteinander kämmen, wobei die wenigstens zwei Zahnräder von einem Gehäuse (31) mit einem Niederdruck- und einem Hochdruckanschluss (32; 33) umgeben sind, wobei jedes Zahnrad wenigstens einen Lagerzapfen aufweist, der in einem zugeordneten Lagerkörper (50) drehbar gelagert ist, welcher in dem Gehäuse (31) bezüglich der Drehachse (63) des zugeordneten Zahnrades gleitbeweglich aufgenommen ist.Gear machine (10) having at least two gears meshing with each other in external engagement, wherein the at least two gears are surrounded by a housing (31) having a low pressure and a high pressure port (32; 33), each gear having at least one journal is rotatably mounted in an associated bearing body (50) which is slidably received in the housing (31) with respect to the axis of rotation (63) of the associated gear.

Erfindungsgemäß ist zwischen dem Lagerkörper (50) und dem Gehäuse (31) wenigstens eine Piezofolie (70) angeordnet.

Figure imgaf001
According to the invention, at least one piezo film (70) is arranged between the bearing body (50) and the housing (31).
Figure imgaf001
EP13178333.4A 2012-08-10 2013-07-29 Gear wheel machine with force sensor in the form of a piezo film Not-in-force EP2696075B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012214229.0A DE102012214229A1 (en) 2012-08-10 2012-08-10 Gear machine with force sensor in the form of a piezo film

Publications (3)

Publication Number Publication Date
EP2696075A2 EP2696075A2 (en) 2014-02-12
EP2696075A3 true EP2696075A3 (en) 2016-03-23
EP2696075B1 EP2696075B1 (en) 2017-05-03

Family

ID=48877109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13178333.4A Not-in-force EP2696075B1 (en) 2012-08-10 2013-07-29 Gear wheel machine with force sensor in the form of a piezo film

Country Status (2)

Country Link
EP (1) EP2696075B1 (en)
DE (1) DE102012214229A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017100573A1 (en) 2017-01-13 2018-07-19 Schaeffler Technologies AG & Co. KG Detector arrangement for the selective detection of vibrations on components

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007051350A1 (en) * 2007-10-26 2009-04-30 Robert Bosch Gmbh Hydraulic gear wheel machine e.g. external gear pump, for producing or transforming hydraulic energy in mobile hydraulics, has changing device with actuator for changing chamber volume or for increasing connection to pressure relief line
DE102007051349A1 (en) * 2007-10-26 2009-04-30 Robert Bosch Gmbh Hydraulic gear machine e.g. external gear pump, for e.g. generating hydraulic energy, has actuator device to adjust axis position during machine operation and working against shaft deflection forces, where shafts center distance is changed

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0228681B2 (en) * 1985-07-05 1990-06-26 Maekawa Seisakusho Kk SUKURYUUSHIKI KAITENSOCHI
US5701646A (en) * 1990-02-02 1997-12-30 Isco, Inc. Method of making a sensor
DE102007051352A1 (en) 2007-10-26 2009-04-30 Robert Bosch Gmbh Hydraulic gear wheel machine i.e. external gear wheel machine such as external gear wheel motor, for generating and converting of hydraulic energy, has actuators adjusting opening independent of operating pressure during machine operation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007051350A1 (en) * 2007-10-26 2009-04-30 Robert Bosch Gmbh Hydraulic gear wheel machine e.g. external gear pump, for producing or transforming hydraulic energy in mobile hydraulics, has changing device with actuator for changing chamber volume or for increasing connection to pressure relief line
DE102007051349A1 (en) * 2007-10-26 2009-04-30 Robert Bosch Gmbh Hydraulic gear machine e.g. external gear pump, for e.g. generating hydraulic energy, has actuator device to adjust axis position during machine operation and working against shaft deflection forces, where shafts center distance is changed

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YUJI MIHARA ET AL: "Measurement of Oil-Film Pressure in Engine Bearings Using a Thin-Film Sensor", TRIBOLOGY TRANSACTIONS, vol. 45, no. 1, 26 February 2001 (2001-02-26) - 28 February 2001 (2001-02-28), US, pages 11 - 20, XP055246948, ISSN: 1040-2004, DOI: 10.1080/10402000208982516 *

Also Published As

Publication number Publication date
EP2696075A2 (en) 2014-02-12
DE102012214229A1 (en) 2014-02-13
EP2696075B1 (en) 2017-05-03

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