DE69535364D1 - Elektrisch-selbstfahrender Rasenmäher - Google Patents

Elektrisch-selbstfahrender Rasenmäher

Info

Publication number
DE69535364D1
DE69535364D1 DE69535364T DE69535364T DE69535364D1 DE 69535364 D1 DE69535364 D1 DE 69535364D1 DE 69535364 T DE69535364 T DE 69535364T DE 69535364 T DE69535364 T DE 69535364T DE 69535364 D1 DE69535364 D1 DE 69535364D1
Authority
DE
Germany
Prior art keywords
electric self
propelled lawnmower
lawnmower
propelled
self
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
DE69535364T
Other languages
English (en)
Other versions
DE69535364T2 (de
Inventor
Mark E Lamb
David E Merchant
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.)
Ransomes America Corp
Original Assignee
Ransomes America Corp
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 Ransomes America Corp filed Critical Ransomes America Corp
Publication of DE69535364D1 publication Critical patent/DE69535364D1/de
Application granted granted Critical
Publication of DE69535364T2 publication Critical patent/DE69535364T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3245Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a level monitoring device
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/01Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/42Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • A01D34/43Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
    • A01D34/44Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/01Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/42Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • A01D34/56Driving mechanisms for the cutters
    • A01D34/58Driving mechanisms for the cutters electric
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/02Driving mechanisms or parts thereof for harvesters or mowers electric
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/03Driving mechanisms or parts thereof for harvesters or mowers fluid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • G01F23/74Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/20Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Examining Or Testing Airtightness (AREA)
DE69535364T 1994-02-03 1995-02-01 Elektrisch-selbstfahrender Rasenmäher Expired - Lifetime DE69535364T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US191518 1994-02-03
US08/191,518 US5402110A (en) 1994-02-03 1994-02-03 Hydraulic fluid leak detection system and method

Publications (2)

Publication Number Publication Date
DE69535364D1 true DE69535364D1 (de) 2007-02-15
DE69535364T2 DE69535364T2 (de) 2007-08-23

Family

ID=22705806

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69536107T Expired - Lifetime DE69536107D1 (de) 1994-02-03 1995-02-01 Elektrisch-selbstfahrender Rasenmäher
DE69535364T Expired - Lifetime DE69535364T2 (de) 1994-02-03 1995-02-01 Elektrisch-selbstfahrender Rasenmäher
DE69533307T Expired - Lifetime DE69533307T2 (de) 1994-02-03 1995-02-01 Elektrisch-selbstfahrender rasenmäher

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69536107T Expired - Lifetime DE69536107D1 (de) 1994-02-03 1995-02-01 Elektrisch-selbstfahrender Rasenmäher

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69533307T Expired - Lifetime DE69533307T2 (de) 1994-02-03 1995-02-01 Elektrisch-selbstfahrender rasenmäher

Country Status (3)

Country Link
US (2) US5402110A (de)
EP (2) EP1457104B9 (de)
DE (3) DE69536107D1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5744701A (en) * 1995-01-20 1998-04-28 The Toro Company Electronic liquid leak detector
US6230089B1 (en) 1992-01-03 2001-05-08 The Toro Company Turf maintenance vehicle multiple controller method and apparatus
US5402110A (en) * 1994-02-03 1995-03-28 Ransomes America Corporation Hydraulic fluid leak detection system and method
DE69528965D1 (de) * 1994-02-03 2003-01-09 Ransomes America Corp System und verfahren zur leckerfassung bei hydraulischen flüssigkeiten
US5731523A (en) * 1996-03-22 1998-03-24 Aeroquip Corporation Hose fatigue indicator
US5673025A (en) * 1996-11-21 1997-09-30 Deere & Company Fluid leak detector mechanism
US6023667A (en) * 1998-03-12 2000-02-08 Johnson; Edward Oil burner motor and refrigeration and air conditioning motor diagnostic apparatus
IT1310194B1 (it) * 1999-03-22 2002-02-11 Teklab Sas Di Barbieri Mauro E Sistema per il controllo di sicurezza di un circuito idraulico.
US6577959B1 (en) * 2000-03-17 2003-06-10 Power Plus Corporation Fluid level measuring system for machines
DE102004046780B4 (de) 2004-09-27 2007-04-26 Siemens Ag Verfahren zur Funktionsprüfer eines Füllstandssensors
WO2006089075A2 (en) * 2005-02-17 2006-08-24 Sentinel Hydro Solutions, Llc Thermal dispersion flow meter with chronometric monitor for fluid leak detection
US7347083B2 (en) * 2005-08-04 2008-03-25 The Boeing Company System and method for detecting a leak in a hydraulic fluid system
US8490752B2 (en) 2006-10-24 2013-07-23 United Technologies Corporation Accurate fluid volume measurement for thermally expanding fluids
US8581145B2 (en) 2006-12-22 2013-11-12 Illinois Tool Works, Inc. System and method for tracking welding-type parameters, machine setup and job packet coding for workflow
US20080185320A1 (en) * 2007-02-07 2008-08-07 Kevin Leon Buchanan System for deodorizing and neutralizing waste-water
US7437864B2 (en) * 2007-02-16 2008-10-21 Deere & Company Shift mechanism for trim mower cutting units
AU2008312088B2 (en) * 2007-10-18 2014-03-20 Atlas Copco Rock Drills Ab Method and arrangement for detecting leakage of hydraulic oil
US8087225B2 (en) 2008-02-11 2012-01-03 Deere & Company Articulated transport arrangement for windrower with cutting platform
US8738237B2 (en) * 2008-02-28 2014-05-27 Deere & Company Control system for starting electrically powered implements
US8126607B2 (en) * 2008-10-30 2012-02-28 International Business Machines Corporation Vehicle fluid replacement tracking
US8656774B2 (en) * 2009-11-24 2014-02-25 Veeder-Root Company Phase separation detector for fuel storage tank
US9462913B1 (en) * 2010-01-20 2016-10-11 Griffin Industries LLC Liquid storage system
US8446284B2 (en) * 2011-06-23 2013-05-21 Pratt & Whitney Low oil indication
US20170211600A1 (en) * 2014-04-02 2017-07-27 Sikorsky Aircraft Corporation System and method for heatlh monitoring of servo-hydraulic actuators
JP6694480B2 (ja) * 2018-08-10 2020-05-13 Kyb株式会社 流体漏れ検出システム及び異常診断方法
US11690321B2 (en) * 2018-10-30 2023-07-04 Cnh Industrial America Llc System for supplying electric power to agricultural harvester components and related methods
GB2578586B (en) * 2018-10-31 2021-12-22 Allett Ltd Mower with switch
CN109211494B (zh) * 2018-11-01 2020-05-26 华霆(合肥)动力技术有限公司 泄漏检测装置及方法
CN109489776B (zh) * 2018-11-15 2021-06-25 中广核工程有限公司 一种核电站ptr水池液位计校验试验装置及其试验方法
US11606898B2 (en) * 2020-02-26 2023-03-21 Deere & Company Mower hydraulic leak detection system
US20220264862A1 (en) 2021-02-22 2022-08-25 Cnh Industrial America Llc System and method for purging agricultural sprayer nozzles using air pressure data

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2057417A (en) * 1931-07-18 1936-10-13 Toro Mfg Company Gang lawn mower
US2417613A (en) * 1944-08-22 1947-03-18 John M Radabaugh Electric motor control and differential gear drive for lawn mowers
US2672000A (en) * 1950-07-08 1954-03-16 Worthington Mower Company Elevating means for lawn mowers
GB985287A (en) * 1962-12-08 1965-03-03 Webb H C & Co Ltd Improvements relating to lawn mowers
US3438247A (en) * 1967-06-19 1969-04-15 Stellar Eng Inc Hydraulic leak testing system and apparatus
US3568705A (en) * 1969-08-19 1971-03-09 Bendix Corp Hydraulic system circuit breaker
US3576959A (en) * 1969-11-04 1971-05-04 Gen Motors Corp Brake warning switch
US3667605A (en) * 1970-05-04 1972-06-06 Robert O Zielinski Submerged oil leak control
US3708245A (en) * 1970-07-31 1973-01-02 Mobil Oil Corp Hot oil leak detection
US3685531A (en) * 1970-10-12 1972-08-22 Bertea Corp Circuit breaker
JPS5196977A (en) * 1975-02-21 1976-08-25 Masutashirindano rizaaba
JPS551973Y2 (de) * 1975-02-25 1980-01-19
SE410766B (sv) * 1976-12-14 1979-10-29 Atlas Copco Ab Anordning for overvakning av flodet i hydraulsystem i syfte att avkenna eventuellt leckage
US4090396A (en) * 1977-01-31 1978-05-23 Brien John W O Method and device for detecting hydraulic leaks
US4274328A (en) * 1977-06-06 1981-06-23 J. I. Case Company Automatic hydraulic shut-off system
US4306402A (en) * 1978-05-24 1981-12-22 Ahi Whimpway Limited Gang mowers
US4522167A (en) * 1980-12-22 1985-06-11 Hurner Erwin E Lubricating oil monitor
US4611620A (en) * 1981-04-02 1986-09-16 Parker Hannifin Corporation Hydraulic circuit breaker
JPS5942960U (ja) * 1982-09-16 1984-03-21 株式会社潤工社 水面流出油の検知装置
US4591837A (en) * 1982-09-20 1986-05-27 Martinez Donald G Hydraulic fluid leak warning apparatus
NL8301411A (nl) * 1983-04-22 1984-11-16 Joseph Peter Maria Spees Maaimachine.
US4571987A (en) * 1983-09-21 1986-02-25 Horner John A Leak detector
US4811601A (en) * 1983-10-11 1989-03-14 Tolan Peter J Method and apparatus for measuring the change in volume with change in temperature of liquid in tanks
US4522109A (en) * 1983-11-21 1985-06-11 J. I. Case Company Leak-detecting hydraulic system
US4549429A (en) * 1983-12-02 1985-10-29 Deere & Company Method of checking for hydraulic leakage
US4590462A (en) * 1985-01-28 1986-05-20 Glen C. Amon Oil leakage detection apparatus
US4827762A (en) * 1985-06-26 1989-05-09 Hasselmann Detlev E M System and method for automatically monitoring liquid volume changes in storage tanks
US4663923A (en) * 1985-11-05 1987-05-12 Ferris Industries, Inc. Self-propelled mower
US4852054A (en) * 1986-11-20 1989-07-25 Nde Technology, Inc. Volumetric leak detection system for underground storage tanks and the like
US4781057A (en) * 1987-01-16 1988-11-01 Hyfantis Jr George J Method and apparatus for detecting leaks in a liquid-containing tank
US4732035A (en) * 1987-02-06 1988-03-22 Pandel Instruments, Inc. Method and apparatus for storage tank leak detection having temperature compensation
GB2204403B (en) * 1987-05-05 1991-07-17 David John Howard Peacock "method of detecting leaks"
US4750775A (en) * 1987-05-15 1988-06-14 Miller Marshall B Engine oil leak catch pan
US5156042A (en) * 1987-07-17 1992-10-20 Proeco, Inc. Leak detector
US4954973A (en) * 1988-03-29 1990-09-04 Heath Consultants Incorporated Microprocessor based tank test management system
JPH0279453U (de) * 1988-12-08 1990-06-19
DD294542A5 (de) * 1989-05-19 1991-10-02 Kk Leckageueberwachung fuer hydraulische antriebssysteme
US5021665A (en) * 1989-12-26 1991-06-04 Ames Donald P Oil level monitor
US5315529A (en) * 1991-10-11 1994-05-24 Farmer Edward J Fluid vessel leak existence system, method and apparatus
US5343680A (en) * 1992-09-03 1994-09-06 Deere & Company Suspension mechanism for reel mowers
US5406778A (en) * 1994-02-03 1995-04-18 Ransomes America Corporation Electric drive riding greens mower
US5402110A (en) * 1994-02-03 1995-03-28 Ransomes America Corporation Hydraulic fluid leak detection system and method

Also Published As

Publication number Publication date
EP1457104A2 (de) 2004-09-15
DE69533307D1 (de) 2004-09-02
EP1790205A3 (de) 2008-03-12
DE69533307T2 (de) 2004-12-30
EP1457104A3 (de) 2004-10-27
EP1457104B9 (de) 2007-10-10
US5402110A (en) 1995-03-28
DE69535364T2 (de) 2007-08-23
EP1790205A2 (de) 2007-05-30
EP1790205B1 (de) 2010-09-15
DE69536107D1 (de) 2010-10-28
US5548278A (en) 1996-08-20
EP1457104B1 (de) 2007-01-03

Similar Documents

Publication Publication Date Title
DE69536107D1 (de) Elektrisch-selbstfahrender Rasenmäher
DE69710142T2 (de) Elektrischer Rasenmäher
DE59811609D1 (de) Mulchmäher
DE59500422D1 (de) Selbstfahrende Erntemaschine
DE69511298D1 (de) Heckenschere
DE59408418D1 (de) Selbstfahrender Mähdrescher
DE69800758D1 (de) Elektrischer Rasenmäher
DE69802241T2 (de) Mähmaschine
DE69519250D1 (de) Mähmaschine
DK0769895T3 (da) Liftophængt slåmaskine
DE9414597U1 (de) Gezogene Mähmaschine
DE69527666D1 (de) Mäher
DE9410696U1 (de) Rasenwabe
DE29503464U1 (de) Mähmaschine
DE69431061T2 (de) Erntemaschine
DE9419930U1 (de) Rasengitterplatte
DE4425375B4 (de) Selbstfahrende Erntemaschine
DE29707139U1 (de) Großflächen-Mähgerät
KR950024141U (ko) 잔디 깎는 기계
DE9413270U1 (de) Selbstfahrender Straßenfertiger
ATA126198A (de) Mähwerk
DE9404150U1 (de) Sichelmähvorrichtung
SE9402802L (sv) Gräsklippningsmaskin
DE9420889U1 (de) Mähgerät
DE29604108U1 (de) Selbstfahrendes Arbeitsgerät

Legal Events

Date Code Title Description
8364 No opposition during term of opposition