ES515918A0 - IMPROVEMENTS IN A HYDRAULIC ALTERNATIVE PLUNGER MECHANISM FOR UNDERGROUND OPERATIONS. - Google Patents

IMPROVEMENTS IN A HYDRAULIC ALTERNATIVE PLUNGER MECHANISM FOR UNDERGROUND OPERATIONS.

Info

Publication number: ES515918A0
Authority: ES; Spain
Prior art keywords: plunger mechanism; underground operations; alternative plunger; hydraulic; hydraulic alternative
Prior art date: 1981-09-24
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

ES515918A

Other languages

Spanish (es)

Other versions

ES8306520A1 (en

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.)

Gewerkschaft Eisenhutte Westfalia GmbH

Original Assignee

Gewerkschaft Eisenhutte Westfalia 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.)

1981-09-24

Filing date

1982-09-23

Publication date

1983-06-01

1982-09-23 Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH

1983-06-01 Publication of ES515918A0 publication Critical patent/ES515918A0/en

1983-06-01 Publication of ES8306520A1 publication Critical patent/ES8306520A1/en

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Actuator (AREA)
Drilling And Exploitation, And Mining Machines And Methods (AREA)

ES515918A 1981-09-24 1982-09-23 Hydraulic ram with stroke indication Expired ES8306520A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3137951A DE3137951C2 (en)	1981-09-24	1981-09-24	Hydraulic push-piston gear, in particular for use as a back and forth cylinder in underground mining operations, with permanent magnets arranged on the piston rod

Publications (2)

Publication Number	Publication Date
ES515918A0 true ES515918A0 (en)	1983-06-01
ES8306520A1 ES8306520A1 (en)	1983-06-01

Family

ID=6142459

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES515918A Expired ES8306520A1 (en)	1981-09-24	1982-09-23	Hydraulic ram with stroke indication

Country Status (9)

Country	Link
JP (1)	JPS5869997A (en)
AU (1)	AU8856582A (en)
BE (1)	BE894469A (en)
DE (1)	DE3137951C2 (en)
ES (1)	ES8306520A1 (en)
FR (1)	FR2513370A1 (en)
GB (1)	GB2106984B (en)
PL (1)	PL135861B1 (en)
ZA (1)	ZA826989B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3241237C2 (en) *	1982-11-09	1985-10-24	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Thrust piston gear, in particular for use as a return cylinder in mining operations, with a permanent magnet system arranged on the piston rod
DE3507937C2 (en) *	1985-03-06	1987-01-02	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal	Device for direction-related recording and transmission of path lengths in hydraulic striding
DE3508479A1 (en) *	1985-03-09	1986-09-11	Ruhrkohle Ag, 4300 Essen	Device for displacement measurement, for example measuring of the return travel during mining operations in coal mining
DE3518162C1 (en) *	1985-05-21	1986-04-24	Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum	Device for monitoring the synchronism of a back cylinder and a cap sliding cylinder
DK195886A (en) *	1986-04-29	1987-10-30	Niels Hvilsted	WORKING CYLINDER WITH STAMP AND WITH A MAGNETIC DEVICE FOR DETERMINING A STAMP POSITION
CH674058A5 (en) *	1986-10-22	1990-04-30	Festo Kg
JPH02186102A (en) *	1989-01-10	1990-07-20	Nakamura Koki Kk	Piston position detecting device for piston type accumulator
DE9412435U1 (en) *	1994-08-02	1994-09-29	Festo Kg, 73734 Esslingen	Working cylinder
DE19724388A1 (en) *	1997-06-10	1998-12-17	Bosch Gmbh Robert	Displacement sensor
DE10219950C1 (en) *	2002-05-03	2003-10-30	Hilti Ag	Pneumatic hammer mechanism with magnetic field sensitive sensor
JP5116576B2 (en)	2007-06-29	2013-01-09	メレクシステッセンデルロエヌヴィ	Magnetic structure for detecting relative motion between a magnetic structure and a magnetic field sensor
US8857530B2 (en)	2011-03-07	2014-10-14	Cnh Industrial Canada, Ltd.	Automatic depth control system for an agricultural implement
US10265758B2 (en)	2016-09-30	2019-04-23	Milwaukee Electric Tool Corporation	Power tool
DE102018002053A1 (en) *	2018-03-14	2019-09-19	Festo Ag & Co. Kg	Piston for a drive device, drive device and method for producing a piston

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2917609C2 (en) *	1979-05-02	1985-12-19	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	Device for controlling the pre-pledging caps of a walking support depending on the progress of the dismantling
DE2933557C2 (en) *	1979-08-18	1982-11-04	Robert Bosch Gmbh, 7000 Stuttgart	Transmitter for non-contact distance or speed measurement
DE2945895C2 (en) *	1979-11-14	1986-06-05	Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen	Magnetic position transmitter for hydraulic or pneumatic working cylinders

1981
- 1981-09-24 DE DE3137951A patent/DE3137951C2/en not_active Expired
1982
- 1982-09-21 GB GB08226870A patent/GB2106984B/en not_active Expired
- 1982-09-21 AU AU88565/82A patent/AU8856582A/en not_active Abandoned
- 1982-09-22 FR FR8215971A patent/FR2513370A1/en active Pending
- 1982-09-22 PL PL1982238318A patent/PL135861B1/en unknown
- 1982-09-23 BE BE0/209073A patent/BE894469A/en not_active IP Right Cessation
- 1982-09-23 ZA ZA826989A patent/ZA826989B/en unknown
- 1982-09-23 ES ES515918A patent/ES8306520A1/en not_active Expired
- 1982-09-24 JP JP57165172A patent/JPS5869997A/en active Pending

Also Published As

Publication number	Publication date
JPS5869997A (en)	1983-04-26
BE894469A (en)	1983-01-17
GB2106984A (en)	1983-04-20
DE3137951C2 (en)	1985-10-17
FR2513370A1 (en)	1983-03-25
PL135861B1 (en)	1985-12-31
PL238318A1 (en)	1983-05-23
ZA826989B (en)	1983-07-27
DE3137951A1 (en)	1983-04-07
ES8306520A1 (en)	1983-06-01
AU8856582A (en)	1983-03-31
GB2106984B (en)	1985-01-23

Publication	Publication Date	Title
ES523838A0 (en)	1984-11-01	A NEW CARBOSTIRILE DERIVATIVE.
NO862787L (en)	1986-07-10	HYDRAULIC DUMPING DEVICE.
ES264691Y (en)	1983-05-16	PERFECTED HYDRAULIC HAMMER.
ES518381A0 (en)	1983-10-01	IMPROVEMENTS IN A THREE-STEP HYDRAULIC TELESCOPIC STEMPLE, ESPECIALLY FOR A PROGRESSIVE UNDERGROUND FLOORING.
IT8121351A0 (en)	1981-04-23	MECHANISM TO STOP A VALVE OPERATION.
ES515918A0 (en)	1983-06-01	IMPROVEMENTS IN A HYDRAULIC ALTERNATIVE PLUNGER MECHANISM FOR UNDERGROUND OPERATIONS.
ES525346A0 (en)	1985-01-16	A CARBOSTIRILE DERIVATIVE.
IT8223743A0 (en)	1982-10-13	GEARBOX FOR A CONCA MILL.
ES270000Y (en)	1984-02-01	A BRAMANTE.
ES273016Y (en)	1984-05-01	A JOY.
ES295782Y (en)	1988-01-01	A COUPLING ARRANGEMENT FOR A DEVICE.
IT8224140A0 (en)	1982-11-09	HYDRAULIC BRAKE ACTUATING DEVICE.
ES519041A0 (en)	1983-11-01	IMPROVEMENTS IN A DISTRIBUTOR FOR HYDRAULIC SERVOMECHANISMS.
ES509500A0 (en)	1983-01-16	A MECHANISM FOR CUTTING FRUIT.
NL185173C (en)	1990-02-01	HYDRAULIC DEVICE.
IT8468184A0 (en)	1984-11-29	HYDRAULICS FOR ACTIVATING BRAKES AUTOMATIC WEAR DRUM RECOVERY SYSTEM INSERTED IN A UNIT
IT8121272A0 (en)	1981-04-17	HYDRAULIC PRESSURE CYLINDER.
ES518162A0 (en)	1983-10-16	A HYDRAULIC RAMMER.
ES540966A0 (en)	1985-12-01	A HYDRAULIC MECHANISM
ES521807A0 (en)	1984-01-16	HYDRAULIC CONTROL PROVISION FOR UNDERGROUND MINING.
ES290955Y (en)	1986-12-01	A COUPLING DEVICE FOR PIPES.
ES526261A0 (en)	1984-06-16	IMPROVEMENTS IN A FLOORING FRAME, ESPECIALLY FOR MINING OPERATIONS
ES550798A0 (en)	1987-09-01	IMPROVEMENTS IN A HYDRAULIC DISTRIBUTOR FOR SERVOMECHANISM.
ES290946Y (en)	1986-12-01	A SEALING DEVICE FOR A GROOVED CIRCULAR PISTON.
ES538245A0 (en)	1985-11-01	A HYDRAULIC CYLINDER, IN PARTICULAR FOR A REVERSIBLE PLOW.