IT1124805B - Apparato motore-valvola per un sistema di comando idraulico per ventola - Google Patents
Apparato motore-valvola per un sistema di comando idraulico per ventolaInfo
- Publication number
- IT1124805B IT1124805B IT26876/79A IT2687679A IT1124805B IT 1124805 B IT1124805 B IT 1124805B IT 26876/79 A IT26876/79 A IT 26876/79A IT 2687679 A IT2687679 A IT 2687679A IT 1124805 B IT1124805 B IT 1124805B
- Authority
- IT
- Italy
- Prior art keywords
- fan
- motor
- control system
- hydraulic control
- valve apparatus
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/045—Compensating for variations in viscosity or temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/966,984 US4189919A (en) | 1978-05-18 | 1978-12-06 | Motor-valve apparatus for hydraulic fan drive system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7926876A0 IT7926876A0 (it) | 1979-10-29 |
IT1124805B true IT1124805B (it) | 1986-05-14 |
Family
ID=25512151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26876/79A IT1124805B (it) | 1978-12-06 | 1979-10-29 | Apparato motore-valvola per un sistema di comando idraulico per ventola |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0020563B2 (it) |
JP (1) | JPS6256323B2 (it) |
DE (1) | DE2965671D1 (it) |
IT (1) | IT1124805B (it) |
WO (1) | WO1980001191A1 (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8614699D0 (en) * | 1986-06-17 | 1986-07-23 | Sundstrand Hydratec Ltd | Engine cooling systems |
DE3920323C2 (de) * | 1989-06-21 | 1996-09-05 | Rexroth Mannesmann Gmbh | Ventilanordnung zur Drehzahlregelung mehrerer hydraulischer Antriebsmotoren |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1256709A (en) * | 1917-10-06 | 1918-02-19 | Edwin H Ludeman | Method of and means for cooling internal-combustion engines. |
US2769394A (en) * | 1949-10-21 | 1956-11-06 | Borg Warner | Power unit |
US2777287A (en) * | 1953-02-24 | 1957-01-15 | Vickers Inc | Motor-pump drive for vehicle fan |
US2948268A (en) * | 1957-08-26 | 1960-08-09 | Eaton Mfg Co | Engine accessory and drive mechanism therefor |
US3055473A (en) * | 1959-05-11 | 1962-09-25 | Eaton Mfg Co | Fluid coupling device |
US3401605A (en) * | 1966-09-13 | 1968-09-17 | Abex Corp | Temperature responsive hydraulic system and valve means therefor |
US3474811A (en) * | 1967-10-16 | 1969-10-28 | Elevator Equip | Pressure-temperature compensated hydraulic valve regulator |
US3664129A (en) * | 1968-05-08 | 1972-05-23 | Hyster Co | Hydraulic cooling system |
US3587963A (en) * | 1969-03-06 | 1971-06-28 | Pneumo Dynamics Corp | Combination bypass and relief valve |
GB1284904A (en) * | 1969-07-15 | 1972-08-09 | Rolls Royce | Drive means for the cooling fan of an internal combustion engine |
DE2208842C2 (de) * | 1972-02-25 | 1983-09-01 | Robert Bosch Gmbh, 7000 Stuttgart | Antrieb einer Lenkeinrichtung und mehrerer Zubehörgeräte für Fahrzeuge durch ein hydrostatisches Getriebe |
JPS581005Y2 (ja) * | 1974-10-17 | 1983-01-08 | 日本ビクター株式会社 | テレビジヨンジユゾウキノ ホゴソウチ |
-
1979
- 1979-09-20 DE DE7979901484T patent/DE2965671D1/de not_active Expired
- 1979-09-20 EP EP79901484A patent/EP0020563B2/en not_active Expired
- 1979-09-20 WO PCT/US1979/000781 patent/WO1980001191A1/en unknown
- 1979-09-20 JP JP54501845A patent/JPS6256323B2/ja not_active Expired
- 1979-10-29 IT IT26876/79A patent/IT1124805B/it active
Also Published As
Publication number | Publication date |
---|---|
EP0020563B2 (en) | 1989-07-05 |
IT7926876A0 (it) | 1979-10-29 |
JPS55500952A (it) | 1980-11-13 |
DE2965671D1 (en) | 1983-07-21 |
WO1980001191A1 (en) | 1980-06-12 |
EP0020563A1 (en) | 1981-01-07 |
EP0020563A4 (en) | 1980-11-28 |
EP0020563B1 (en) | 1983-06-15 |
JPS6256323B2 (it) | 1987-11-25 |
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