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1. (WO2013112507) POWERTRAIN SYSTEM HAVING LOCKABLE DIFFERENTIAL
PCT Biblio. Data
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Pub. No.:
WO/2013/112507
International Application No.:
PCT/US2013/022634
Publication Date:
01.08.2013
International Filing Date:
23.01.2013
IPC:
F16H 48/20
(2012.01),
F16H 61/02
(2006.01),
F16H 59/36
(2006.01)
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H
GEARING
48
Differential gearings
20
Arrangements for suppressing or influencing the differential action, e.g. locking devices
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H
GEARING
61
Control functions within change-speed- or reversing-gearings for conveying rotary motion
02
characterised by the signals used
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H
GEARING
59
Control inputs to change-speed- or reversing-gearings for conveying rotary motion
36
Inputs being a function of speed
Applicants:
CATERPILLAR INC.
[US/US]; 100 N.E. Adams Street Peoria, IL 61629-9510 (US)
Inventors:
MCCANN, Gerry, O.
; (US).
BYERS, Brian, A.
; (US).
GORAYA, Fazal, A.
; (US).
WISLEY, David, R.
; (US).
GROVER, Kevin, B.
; (US)
Agent:
KIBBY, Steven, G.
; Black Hills IP P.O. Box 2409 Minneapolis, MN 55402 (US)
Priority Data:
13/355,977
23.01.2012
US
Title
(EN)
POWERTRAIN SYSTEM HAVING LOCKABLE DIFFERENTIAL
(FR)
GROUPE MOTOPROPULSEUR POURVU D'UN DIFFÉRENTIEL VERROUILLABLE
Abstract:
(EN)
A powertrain system (70) for a mobile machine (10) is disclosed. The powertrain system may have a power source (34), a plurality of traction devices (28), and a differential (32) operatively connecting an output of the power source with the plurality of traction devices. The powertrain may also have a manual input device (38) movable by an operator to generate a first signal indicative of a desire to lock the differential, at least one sensor (74, 76) configured to generate a second signal indicative of a parameter the mobile machine, and a controller (72) in communication with the at least one sensor, the manual input device, and the differential. The controller may be configured to inhibit locking of the differential based on the first signal when the second signal indicates the parameter deviating from an acceptable range.
(FR)
L'invention concerne un groupe motopropulseur (70) destiné à une machine mobile (10). Le groupe motopropulseur comporte une source de puissance (34), une pluralité de dispositifs de traction (28) et un différentiel (32), qui relie fonctionnellement une sortie de la source de puissance à la pluralité des dispositifs de traction. Le groupe motopropulseur comporte également un dispositif d'entrée manuel (38) pouvant être actionné par un opérateur afin de produire un premier signal indiquant une volonté de verrouiller le différentiel, au moins un capteur (74, 76), conçu pour produire un deuxième signal indiquant un paramètre de la machine mobile, et un organe de commande (72) communiquant avec le(s) capteur(s), le dispositif d'entrée manuel et le différentiel. L'organe de commande peut être conçu pour empêcher le blocage du différentiel sur la base du premier signal quand le deuxième signal indique un écart du paramètre hors d'une plage acceptable.
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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, ML, MR, NE, SN, TD, TG).
Publication Language:
English (
EN
)
Filing Language:
English (
EN
)