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1. (WO2018026915) AUXILIARY BRAKE SYSTEM FOR OUTDOOR GROUNDS MAINTENANCE VEHICLES HAVING HYDROSTATIC TRACTION DRIVE SYSTEMS
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Pub. No.: WO/2018/026915 International Application No.: PCT/US2017/045094
Publication Date: 08.02.2018 International Filing Date: 02.08.2017
IPC:
B60T 8/32 (2006.01) ,B60K 17/356 (2006.01) ,A01D 69/10 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
T
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8
Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32
responsive to a speed condition, e.g. acceleration or deceleration
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
K
ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES
17
Arrangement or mounting of transmissions in vehicles
34
for driving both front and rear wheels, e.g. four wheel drive vehicles
356
having fluid or electric motor, for driving one or more wheels
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
D
HARVESTING; MOWING
69
Driving mechanisms or parts thereof for harvesters or mowers
10
Brakes
Applicants:
THE TORO COMPANY [US/US]; 8111 Lyndale Avenue South Bloomington, MN 55420, US
Inventors:
DECKER, Matthew, J.; US
NAHORNIAK, Luke, R.; US
HECKEL, John, B.; US
Agent:
MILLER, James, W.; US
Priority Data:
62/370,94004.08.2016US
Title (EN) AUXILIARY BRAKE SYSTEM FOR OUTDOOR GROUNDS MAINTENANCE VEHICLES HAVING HYDROSTATIC TRACTION DRIVE SYSTEMS
(FR) SYSTÈME DE FREINAGE AUXILIAIRE POUR DES VÉHICULES D'ENTRETIEN DE TERRAINS EXTÉRIEURS COMPORTANT DES SYSTÈMES DE TRANSMISSION HYDROSTATIQUE DU DISPOSITIF DE DÉPLACEMENT
Abstract:
(EN) An outdoor grounds maintenance vehicle is self-propelled by a hydrostatic traction drive system that provides dynamic braking to the vehicle without the need for separate service brakes acting on the wheels of the vehicle. An engine kill device can be manually actuated by the operator to access the dynamic braking of the traction drive system by reducing the speed of the prime mover that powers the pump of the traction drive system. This provides an auxiliary braking system that can be used in an emergency or on demand by the operator in the event the accelerator pedal does not properly control the pump swashplates. The operator can control the rate at which the auxiliary brake system reduces the speed of the prime mover to zero.
(FR) La présente invention concerne un véhicule d'entretien de terrains extérieurs qui est autopropulsé au moyen d'un système de transmission hydrostatique du dispositif de déplacement qui assure un freinage dynamique au véhicule sans qu'il soit nécessaire de recourir à des freins de service distincts agissant sur les roues du véhicule. Un dispositif de coupe-circuit de moteur peut être actionné manuellement par l'opérateur pour avoir accès au freinage dynamique du système de transmission du dispositif de déplacement en réduisant la vitesse du moteur d'entraînement qui alimente la pompe du système de transmission du dispositif de déplacement. On obtient ainsi un système de freinage auxiliaire qui peut être utilisé en cas d'urgence ou à la demande par l'opérateur dans le cas où la pédale d'accélérateur ne commande pas correctement les plateaux oscillants de la pompe. L'opérateur peut réguler la vitesse à laquelle le système de freinage auxiliaire réduit la vitesse du moteur d'entraînement à zéro.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)