IT1035722B - Dispositivo di comando per un cilindro idraulico caricabile da abedue i lati congiungibile da una estermita ad un apparecchio per la lavorazione del terrend dalla altra estermita ad una trattrice - Google Patents

Dispositivo di comando per un cilindro idraulico caricabile da abedue i lati congiungibile da una estermita ad un apparecchio per la lavorazione del terrend dalla altra estermita ad una trattrice

Info

Publication number
IT1035722B
IT1035722B IT49589/75A IT4958975A IT1035722B IT 1035722 B IT1035722 B IT 1035722B IT 49589/75 A IT49589/75 A IT 49589/75A IT 4958975 A IT4958975 A IT 4958975A IT 1035722 B IT1035722 B IT 1035722B
Authority
IT
Italy
Prior art keywords
terrend
abedue
tractor
loaded
control device
Prior art date
Application number
IT49589/75A
Other languages
English (en)
Italian (it)
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.)
Filing date
Publication date
Application filed by Deere & Co filed Critical Deere & Co
Application granted granted Critical
Publication of IT1035722B publication Critical patent/IT1035722B/it

Links

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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/12—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Actuator (AREA)
  • Transplanting Machines (AREA)
  • Soil Working Implements (AREA)
IT49589/75A 1974-05-15 1975-05-14 Dispositivo di comando per un cilindro idraulico caricabile da abedue i lati congiungibile da una estermita ad un apparecchio per la lavorazione del terrend dalla altra estermita ad una trattrice IT1035722B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US470133A US3913449A (en) 1974-05-15 1974-05-15 Position-responsive hydraulic cylinder

Publications (1)

Publication Number Publication Date
IT1035722B true IT1035722B (it) 1979-10-20

Family

ID=23866404

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49589/75A IT1035722B (it) 1974-05-15 1975-05-14 Dispositivo di comando per un cilindro idraulico caricabile da abedue i lati congiungibile da una estermita ad un apparecchio per la lavorazione del terrend dalla altra estermita ad una trattrice

Country Status (9)

Country Link
US (1) US3913449A (enrdf_load_stackoverflow)
JP (1) JPS6030841B2 (enrdf_load_stackoverflow)
AR (1) AR208317A1 (enrdf_load_stackoverflow)
AU (1) AU473393B2 (enrdf_load_stackoverflow)
CA (1) CA1022040A (enrdf_load_stackoverflow)
ES (1) ES437680A1 (enrdf_load_stackoverflow)
FR (1) FR2271426B1 (enrdf_load_stackoverflow)
GB (1) GB1467932A (enrdf_load_stackoverflow)
IT (1) IT1035722B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH594141A5 (enrdf_load_stackoverflow) * 1975-07-04 1977-12-30 Sig Schweiz Industrieges
JPS55126104A (en) * 1979-03-20 1980-09-29 Tokico Ltd Liquid servo system
ATE74652T1 (de) * 1987-10-20 1992-04-15 Nova Werke Ag Linearantrieb mit hydraulischer verstaerkung.
IT221299Z2 (it) * 1989-11-23 1994-02-25 Fiatgeotech Dispositivo per il comando di un cambio di velocita' per un veicolo particolarmente un trattore agricolo.
FI20025035A0 (fi) * 2001-12-20 2002-07-24 Alamarin Jet Oy Työsylinteri

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1651838A (en) * 1925-07-06 1927-12-06 Franklin Railway Supply Co Power-reverse gear
US3292499A (en) * 1964-07-08 1966-12-20 Ford Motor Co Power steering gear
US3428143A (en) * 1967-11-30 1969-02-18 Deere & Co Power steering system
JPS493094A (enrdf_load_stackoverflow) * 1972-04-28 1974-01-11

Also Published As

Publication number Publication date
JPS6030841B2 (ja) 1985-07-18
ES437680A1 (es) 1977-02-01
AU473393B2 (en) 1976-06-17
GB1467932A (en) 1977-03-23
DE2520039B2 (de) 1976-10-28
US3913449A (en) 1975-10-21
AU7268674A (en) 1976-02-26
FR2271426B1 (enrdf_load_stackoverflow) 1978-12-08
FR2271426A1 (enrdf_load_stackoverflow) 1975-12-12
JPS50146793A (enrdf_load_stackoverflow) 1975-11-25
CA1022040A (en) 1977-12-06
AR208317A1 (es) 1976-12-20
DE2520039A1 (de) 1975-11-20

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