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1. (WO2013114041) DEVICE FOR THE VARIABLE CONTROL OF AT LEAST ONE VALVE, FOR EXAMPLE FOR A RECIPROCATING ENGINE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/114041 International Application No.: PCT/FR2013/050188
Publication Date: 08.08.2013 International Filing Date: 30.01.2013
IPC:
F01L 13/00 (2006.01) ,F01L 9/02 (2006.01) ,F01L 1/047 (2006.01) ,F01L 1/26 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
13
Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
9
Valve-gear or valve arrangements actuated non-mechanically
02
by fluid means, e.g. hydraulic
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1
Valve-gear or valve arrangements, e.g. lift-valve gear
02
Valve drive
04
by means of cams, camshafts, cam discs, eccentrics, or the like
047
Camshafts
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1
Valve-gear or valve arrangements, e.g. lift-valve gear
26
characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift valves per cylinder
Applicants: MELCHIOR, Jean Frédéric[FR/FR]; FR
Inventors: MELCHIOR, Jean Frédéric; FR
Agent: GUTMANN, Ernest; YVES PLASSERAUD SAS 3, rue Auber F-75009 Paris, FR
Priority Data:
125096302.02.2012FR
61/594,06902.02.2012US
Title (EN) DEVICE FOR THE VARIABLE CONTROL OF AT LEAST ONE VALVE, FOR EXAMPLE FOR A RECIPROCATING ENGINE
(FR) DISPOSITIF DE COMMANDE VARIABLE D'AU MOINS UNE SOUPAPE, PAR EXEMPLE POUR UN MOTEUR ALTERNATIF
Abstract:
(EN) The invention relates to a device for controlling at least one valve (2), comprising a body (8) comprising a dimensionally stable cavity (9) communicating exclusively with the outside by means of at least four straight cylinders (10, 11, 12, 13) closed respectively by an opening piston (P1) actuated by an opening cam (C1), a closing piston (P2) actuated by a closing cam (C2), a shuttle piston (Pa) for arming or disarming the device, and a piston (Ps) mechanically linked to the valve (2). The control device according to the invention is used to adjust, during operation and by adjusting the angular phase difference between the opening cam (C1) and the closing cam (C2), the valve lift (2), the angular duration of opening of the valve (2) and, if necessary, to completely deactivate the valve (2) for the entire duration of a cycle.
(FR) L'invention concerne un dispositif de commande d'au moins une soupape (2), comportant un corps (8) comprenant une cavité indéformable (9) communiquant exclusivement avec l'extérieur par au moins quatre cylindres rectilignes (10, 11, 12, 13) fermés respectivement par un piston d'ouverture (P1) actionné par une came d'ouverture (C1), un piston de fermeture (P2) actionné par une came de fermeture (C2), un piston navette (Pa) servant à armer ou désarmer le dispositif, et un piston (Ps) relié mécaniquement à la soupape (2). Le dispositif de commande selon l'invention permet de régler, en fonctionnement et par réglage du déphasage angulaire entre les cames d'ouverture (C1) et de fermeture (C2), la levée de la soupape (2), la durée angulaire d'ouverture de la soupape (2) et, si nécessaire, de désactiver complètement la soupape (2) sur toute la durée d'un cycle.
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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, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, 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, ML, MR, NE, SN, TD, TG)
Publication Language: French (FR)
Filing Language: French (FR)