USB551809I5 - - Google Patents
Info
- Publication number
- USB551809I5 USB551809I5 US55180975A USB551809I5 US B551809 I5 USB551809 I5 US B551809I5 US 55180975 A US55180975 A US 55180975A US B551809 I5 USB551809 I5 US B551809I5
- Authority
- US
- United States
- 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.)
- Pending
Links
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
- F16H61/433—Pump capacity control by fluid pressure control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
- B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
- B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
- B62D11/183—Control systems therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Control Of Fluid Gearings (AREA)
- Motor Power Transmission Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/551,809 US3996743A (en) | 1975-02-20 | 1975-02-20 | Underspeed actuator with part throttle control |
| CA236,608A CA1023244A (en) | 1975-02-20 | 1975-09-29 | Underspeed actuator with part throttle control |
| GB40400/75A GB1490150A (en) | 1975-02-20 | 1975-10-02 | Underspeed actuator with part throttle control |
| FR7533150A FR2301742A1 (fr) | 1975-02-20 | 1975-10-30 | Mecanisme d'actionnement de vitesse reduite avec commande d'admission partielle de gaz |
| BR7600776A BR7600776A (pt) | 1975-02-20 | 1976-02-06 | Sistema de controle e transmissao hidrostatica |
| JP51016577A JPS51108174A (US20020051482A1-20020502-M00012.png) | 1975-02-20 | 1976-02-19 | |
| DE19762606945 DE2606945A1 (de) | 1975-02-20 | 1976-02-20 | Betaetigungsvorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/551,809 US3996743A (en) | 1975-02-20 | 1975-02-20 | Underspeed actuator with part throttle control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB551809I5 true USB551809I5 (US20020051482A1-20020502-M00012.png) | 1976-02-24 |
| US3996743A US3996743A (en) | 1976-12-14 |
Family
ID=24202766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/551,809 Expired - Lifetime US3996743A (en) | 1975-02-20 | 1975-02-20 | Underspeed actuator with part throttle control |
Country Status (7)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4203293A (en) * | 1975-09-02 | 1980-05-20 | Caterpillar Tractor Co. | Controls for combined hydrostatic and multiple speed range transmission units with automatic speed control and braking functions |
| US4094145A (en) * | 1977-06-16 | 1978-06-13 | Caterpillar Tractor Co. | Underspeed actuator for a hydrostatic transmission having a shunt valve |
| US4182125A (en) * | 1978-09-25 | 1980-01-08 | Caterpillar Tractor Co. | Control circuit for variable displacement pump with venturi bypass control |
| US4248134A (en) * | 1978-09-25 | 1981-02-03 | Caterpillar Tractor Co. | Reset means for fluid control circuit |
| JPS56500700A (US20020051482A1-20020502-M00012.png) * | 1979-06-13 | 1981-05-21 | ||
| JPS56500685A (US20020051482A1-20020502-M00012.png) * | 1979-06-13 | 1981-05-21 | ||
| US4343150A (en) * | 1979-06-13 | 1982-08-10 | Caterpillar Tractor Co. | Sequential preconditioning circuit for hydrostatic transmission |
| US4301835A (en) * | 1979-12-26 | 1981-11-24 | Caterpillar Tractor Co. | Speed control and transmission vent valve |
| US4527393A (en) * | 1981-09-02 | 1985-07-09 | General Signal Corporation | Control device for a hydrostatic transmission |
| US4588357A (en) * | 1984-07-24 | 1986-05-13 | Power Draulics-Nielsen, Inc. | Hydraulic throttle control |
| US4745746A (en) * | 1986-08-22 | 1988-05-24 | Sundstrand Corporation | Power control for a hydrostatic transmission |
| DE102004062388B4 (de) * | 2004-12-23 | 2006-10-19 | Brueninghaus Hydromatik Gmbh | Hydrostatischer Antrieb mit Drehzahlbegrenzung |
| US8393150B2 (en) * | 2008-12-18 | 2013-03-12 | Caterpillar Inc. | System and method for operating a variable displacement hydraulic pump |
| US8175780B2 (en) * | 2008-12-22 | 2012-05-08 | Caterpillar Inc. | Adaptive underspeed control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3228184A (en) * | 1964-08-28 | 1966-01-11 | Lucas Industries Ltd | Hydraulic transmission systems |
| US3477225A (en) * | 1967-06-14 | 1969-11-11 | Caterpillar Tractor Co | Hydrostatic transmission control system |
| US3528243A (en) * | 1967-06-14 | 1970-09-15 | Caterpillar Tractor Co | Relief and replenish package for a hydrostatic transmission |
| US3785754A (en) * | 1972-04-27 | 1974-01-15 | Caterpillar Tractor Co | Manual override system for a variable volume pump |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US27488A (en) * | 1860-03-13 | John walch | ||
| DE1256024B (de) * | 1958-12-02 | 1967-12-07 | Dowty Hydraulic Units Ltd | Steuergeraet fuer ein aus einer Kraftmaschine und einem hydrostatischen Getriebe gebildetes Antriebsaggregat |
| US3533230A (en) * | 1968-10-21 | 1970-10-13 | Lucas Industries Ltd | Hydraulic transmission mechanism for vehicles |
| GB1401798A (en) * | 1971-07-28 | 1975-07-30 | Advanced Prod Pty | Controls for variable pumps or motors |
| US3886741A (en) * | 1973-05-03 | 1975-06-03 | Eaton Corp | Hydrostatic transmission anti-stall system |
-
1975
- 1975-02-20 US US05/551,809 patent/US3996743A/en not_active Expired - Lifetime
- 1975-09-29 CA CA236,608A patent/CA1023244A/en not_active Expired
- 1975-10-02 GB GB40400/75A patent/GB1490150A/en not_active Expired
- 1975-10-30 FR FR7533150A patent/FR2301742A1/fr active Granted
-
1976
- 1976-02-06 BR BR7600776A patent/BR7600776A/pt unknown
- 1976-02-19 JP JP51016577A patent/JPS51108174A/ja active Pending
- 1976-02-20 DE DE19762606945 patent/DE2606945A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3228184A (en) * | 1964-08-28 | 1966-01-11 | Lucas Industries Ltd | Hydraulic transmission systems |
| US3477225A (en) * | 1967-06-14 | 1969-11-11 | Caterpillar Tractor Co | Hydrostatic transmission control system |
| US3528243A (en) * | 1967-06-14 | 1970-09-15 | Caterpillar Tractor Co | Relief and replenish package for a hydrostatic transmission |
| US3785754A (en) * | 1972-04-27 | 1974-01-15 | Caterpillar Tractor Co | Manual override system for a variable volume pump |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2301742B1 (US20020051482A1-20020502-M00012.png) | 1981-05-29 |
| GB1490150A (en) | 1977-10-26 |
| FR2301742A1 (fr) | 1976-09-17 |
| US3996743A (en) | 1976-12-14 |
| DE2606945A1 (de) | 1976-09-02 |
| DE2606945C2 (US20020051482A1-20020502-M00012.png) | 1989-05-03 |
| JPS51108174A (US20020051482A1-20020502-M00012.png) | 1976-09-25 |
| CA1023244A (en) | 1977-12-27 |
| BR7600776A (pt) | 1976-09-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: CATERPILLAR INC., 100 N.E. ADAMS STREET, PEORIA, I Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:CATERPILLAR TRACTOR CO., A CORP. OF CALIF.;REEL/FRAME:004669/0905 Effective date: 19860515 Owner name: CATERPILLAR INC., A CORP. OF DE.,ILLINOIS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CATERPILLAR TRACTOR CO., A CORP. OF CALIF.;REEL/FRAME:004669/0905 Effective date: 19860515 |