Processing

Please wait...

Settings

Settings

Goto Application

1. WO2002021023 - SPEED CONTROLLER OF WHEEL TYPE HYDRAULIC TRAVELING VEHICLE

Publication Number WO/2002/021023
Publication Date 14.03.2002
International Application No. PCT/JP2001/007837
International Filing Date 10.09.2001
Chapter 2 Demand Filed 30.01.2002
IPC
B60K 17/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
17Arrangement or mounting of transmissions in vehicles
04characterised by arrangement, location, or kind of gearing
10of fluid gearing
F16H 59/44 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
59Control inputs to change-speed- or reversing-gearings for conveying rotary motion
36Inputs being a function of speed
44dependent on machine speed
F16H 61/44 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
61Control functions within change-speed- or reversing-gearings for conveying rotary motion
38Control of exclusively fluid gearing
40hydrostatic
44with more than one pump or motor unit in operation
CPC
B60K 5/08
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
5Arrangement or mounting of internal-combustion or jet-propulsion units
08comprising more than one engine
B60W 10/04
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
10Conjoint control of vehicle sub-units of different type or different function
04including control of propulsion units
B60W 10/06
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
10Conjoint control of vehicle sub-units of different type or different function
04including control of propulsion units
06including control of combustion engines
B60W 10/103
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
10Conjoint control of vehicle sub-units of different type or different function
10including control of change-speed gearings
101Infinitely variable gearings
103of fluid type
B60W 2710/0644
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
2710Output or target parameters relating to a particular sub-units
06Combustion engines, Gas turbines
0644Engine speed
B60W 30/18063
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
30Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units ; , or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
18Propelling the vehicle
18009related to particular drive situations
18063Creeping
Applicants
  • HITACHI CONSTRUCTION MACHINERY CO., LTD [JP]/[JP] (AllExceptUS)
  • ISHIMARU, Hideharu [JP]/[JP] (UsOnly)
  • SHINYA, Toshihiko [JP]/[JP] (UsOnly)
Inventors
  • ISHIMARU, Hideharu
  • SHINYA, Toshihiko
Agents
  • NAGAI, Fuyuki
Priority Data
2000-27373608.09.2000JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SPEED CONTROLLER OF WHEEL TYPE HYDRAULIC TRAVELING VEHICLE
(FR) REGULATEUR DE VITESSE POUR VEHICULE HYDRAULIQUE SUR ROUES
Abstract
(EN)
A speed controller of a wheel type hydraulic traveling vehicle, comprising a pair of variable displacement hydraulic pumps each having a control valve, wherein, when a very low speed running is instructed by the on operation of a very low speed switch, one control valve is fixed to a neutral position by a solenoid valve, and the tilting of a traveling motor is fixed to the maximum tilt by another solenoid valve, whereby the upper limit of the motor speed can be reduced remarkably, and the extremely low speed traveling can be realized by the full operation of an accelerator pedal without delicately operating the accelerator pedal.
(FR)
Régulateur de vitesse conçu pour un véhicule hydraulique de type terrestre et comprenant une paire de pompes hydrauliques à déplacement variable possédant chacune une soupape de régulation placée individuellement en position neutre par une électrovanne quand on exécute un fonctionnement en vitesse très basse au moyen d'un commutateur. Une autre électrovanne incline au maximum le moteur du véhicule, ce qui permet de limiter considérablement la limite supérieure de la vitesse du moteur et d'obtenir un déplacement à une vitesse extrêmement basse au moyen d'une pédale d'accélérateur poussée à pleine puissance, sans qu'il soit nécessaire de moduler avec délicatesse l'action exercée sur cette pédale.
Latest bibliographic data on file with the International Bureau