IT1143153B - Comando neutro positivo per trasmissione idrostatica - Google Patents

Comando neutro positivo per trasmissione idrostatica

Info

Publication number: IT1143153B
Authority: IT; Italy
Prior art keywords: hydrostatic transmission; neutral control; positive neutral; positive; hydrostatic
Prior art date: 1979-04-27

Application number

IT48519/80A

Other languages

English (en)

Other versions

IT8048519A0 (it

Inventor

Arvid Harlan Saele

Donald Orville Johannsen

Original Assignee

Deere & Co

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.)

1979-04-27

Filing date

1980-04-24

Publication date

1986-10-22

1980-04-24 Application filed by Deere & Co filed Critical Deere & Co

1980-04-24 Publication of IT8048519A0 publication Critical patent/IT8048519A0/it

1986-10-22 Application granted granted Critical

1986-10-22 Publication of IT1143153B publication Critical patent/IT1143153B/it

Links

230000005540 biological transmission Effects 0.000 title 1
230000002706 hydrostatic effect Effects 0.000 title 1
230000007935 neutral effect Effects 0.000 title 1

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/437—Pump capacity control by mechanical control means, e.g. by levers or pedals
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/439—Control of the neutral position, e.g. by zero tilt rotation holding means

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Control Of Fluid Gearings (AREA)
Reciprocating Pumps (AREA)
Sliding Valves (AREA)
Fluid-Pressure Circuits (AREA)

IT48519/80A 1979-04-27 1980-04-24 Comando neutro positivo per trasmissione idrostatica IT1143153B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/033,769 US4211079A (en)	1979-04-27	1979-04-27	Positive neutral control for hydrostatic transmission

Publications (2)

Publication Number	Publication Date
IT8048519A0 IT8048519A0 (it)	1980-04-24
IT1143153B true IT1143153B (it)	1986-10-22

Family

ID=21872337

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT48519/80A IT1143153B (it)	1979-04-27	1980-04-24	Comando neutro positivo per trasmissione idrostatica

Country Status (10)

Country	Link
US (1)	US4211079A (it)
JP (1)	JPS55146288A (it)
AU (1)	AU527194B2 (it)
CA (1)	CA1132438A (it)
DE (1)	DE3015367C2 (it)
DK (1)	DK168280A (it)
FR (1)	FR2455226B1 (it)
GB (1)	GB2047855B (it)
IT (1)	IT1143153B (it)
SE (1)	SE443038B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1980002864A1 (en) *	1979-06-13	1980-12-24	Caterpillar Tractor Co	Control circuit for variable displacement pumps with override valve
US4531365A (en) *	1981-10-26	1985-07-30	Deere & Company	Neutral start for hydrostatic transmission
US4569096A (en) *	1982-09-30	1986-02-11	Fmc Corporation	Sweeper with hydraulically driven components
US4739616A (en) *	1985-12-13	1988-04-26	Sundstrand Corporation	Summing pressure compensation control
JP2840671B2 (ja) *	1987-02-28	1998-12-24	株式会社島津製作所	走行車両用液圧式伝導装置
CA2022176C (en) *	1989-07-28	1995-01-03	Honda Giken Kogyo Kabushiki Kaisha	Hydraulic transmission for motor vehicle
DE4231637C2 (de) *	1992-09-22	1995-10-12	Orenstein & Koppel Ag	Bremseinrichtung für einen über einen Antrieb bewegbaren Teil
US5235810A (en) *	1992-09-28	1993-08-17	Tecumseh Products Company	Conduit valve providing wide neutral in a hydrostatic transmission
US6684634B1 (en) *	1999-09-01	2004-02-03	Yanmar Diesel Engine Co., Ltd.	Swash plate angle control mechanism of hydraulic continuously variable transmission
DE10100108B4 (de) *	2001-01-03	2013-01-24	Linde Material Handling Gmbh	Hydrostatischer Axialkolbenmotor mit veränderbarem minimalen Verdrängervolumen in Abhängigkeit von dem Bremsdruck in der Ablaufseite des Axialkolbenmotors
US6935106B2 (en) *	2003-08-26	2005-08-30	Deere & Company	Neutral start mechanism for a hydrostatic transmission
US9091040B2 (en)	2012-08-01	2015-07-28	Caterpillar Inc.	Hydraulic circuit control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1086507B (de) *	1957-08-15	1960-08-04	Leipzig Inst Foerdertech	Selbsttaetige Regelung des UEbersetzungs-verhaeltnisses zwischen dem Antriebsmotor und dem die Fortbewegungsmittel, z. B. Raeder, Gleisketten antreibenden Fluessigkeitsgetriebe
US3212263A (en) *	1964-04-24	1965-10-19	Sundstrand Corp	Hydrostatic transmission
US3411297A (en) *	1967-03-20	1968-11-19	Sundstrand Corp	Hydrostatic transmission
US3636705A (en) *	1970-09-14	1972-01-25	Clark Equipment Co	Automatic control system for hydrostatic drive
DE2129830C3 (de) *	1971-06-16	1975-04-24	Verlinde S.A., Loos, Lille (Frankreich)	Hydraulische Servosteuerungseinrichtung zur Ubersetzungseinstellung eines hydrostatischen Getriebes
US3803987A (en) *	1972-11-14	1974-04-16	Abex Corp	Servoactuated hydraulic transducer apparatus
JPS5649769Y2 (it) *	1975-07-29	1981-11-20
DE2900755A1 (de) *	1978-01-16	1979-07-19	Moog Inc	Hydraulische vorrichtung

1979
- 1979-04-27 US US06/033,769 patent/US4211079A/en not_active Expired - Lifetime
1980
- 1980-03-03 CA CA346,854A patent/CA1132438A/en not_active Expired
- 1980-04-11 JP JP4791980A patent/JPS55146288A/ja active Pending
- 1980-04-21 DK DK168280A patent/DK168280A/da not_active IP Right Cessation
- 1980-04-22 DE DE3015367A patent/DE3015367C2/de not_active Expired
- 1980-04-22 AU AU57664/80A patent/AU527194B2/en not_active Ceased
- 1980-04-24 FR FR8009229A patent/FR2455226B1/fr not_active Expired
- 1980-04-24 IT IT48519/80A patent/IT1143153B/it active
- 1980-04-24 SE SE8003118A patent/SE443038B/sv not_active IP Right Cessation
- 1980-04-25 GB GB8013717A patent/GB2047855B/en not_active Expired

Also Published As

Publication number	Publication date
JPS55146288A (en)	1980-11-14
AU5766480A (en)	1980-10-30
FR2455226A1 (fr)	1980-11-21
SE443038B (sv)	1986-02-10
AU527194B2 (en)	1983-02-17
FR2455226B1 (fr)	1985-11-08
GB2047855B (en)	1983-01-12
IT8048519A0 (it)	1980-04-24
DE3015367C2 (de)	1985-03-14
US4211079A (en)	1980-07-08
DE3015367A1 (de)	1980-10-30
DK168280A (da)	1980-10-28
CA1132438A (en)	1982-09-28
GB2047855A (en)	1980-12-03
SE8003118L (sv)	1980-10-28

Publication	Publication Date	Title
GB2057580B (en)	1983-08-10	Hydraulic control circuit system
GB1544453A (en)	1979-04-19	Hydrostatic transmission control systems
GB2087521B (en)	1984-09-05	Hydrostatic transmission control
DK313280A (da)	1981-01-27	Hydrostatisk transmistensstyresystem
BE838996A (nl)	1976-08-27	Hydraulisch overbrenginsregelsysteem
CA1032060A (en)	1978-05-30	Hydrostatic transmission control system
GB2027854B (en)	1982-08-25	Hydrostatic transmission control
DK466980A (da)	1981-05-08	Hydrostatisk styreindretning
DE3071228D1 (en)	1985-12-19	Transmission shift control
IT1143153B (it)	1986-10-22	Comando neutro positivo per trasmissione idrostatica
BR8004868A (pt)	1981-02-10	Conjunto de transmissao rotativo
GB2043184B (en)	1983-10-26	Tractiondrive transmission with hydrauylic control
IT8048331A0 (it)	1980-04-03	Comando di trasmissione azionato idraulicamente
YU1280A (en)	1983-01-21	Hydrostatic control device
GB2013840B (en)	1982-06-03	Multi-mode hydrostatic transmission
GB2049842B (en)	1983-04-27	Gearbox control arrangement
GB2015705B (en)	1982-07-21	Hydrostatic transmission control system
GB2062187B (en)	1983-04-13	Hydrostatic transmission unit
GB2058300B (en)	1983-02-16	Wheeled-vehicle with hydrostatic transmission
DE3068950D1 (en)	1984-09-20	Transmission shift control
IT1119649B (it)	1986-03-10	Cavo per trasmissioni numeriche
DK313180A (da)	1981-01-27	Hydrostatisk transmissionsstyresystem
GB2087050B (en)	1985-05-22	Hydrostatic transmission control system
GB2056003B (en)	1985-06-05	Dual circuit hydraulic control devices
IT1081711B (it)	1985-05-21	Comando per trasmissione idrostatica