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1. (WO2010075396) PILOT OPERATED WATER VALVE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/075396 International Application No.: PCT/US2009/069222
Publication Date: 01.07.2010 International Filing Date: 22.12.2009
IPC:
F16K 31/385 (2006.01) ,F16K 31/06 (2006.01) ,D06F 39/08 (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
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
31
Operating means; Releasing devices
12
actuated by fluid
36
in which fluid from the conduit is constantly supplied to the fluid motor
38
in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
385
the fluid acting on a diaphragm
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
K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
31
Operating means; Releasing devices
02
electric; magnetic
06
using a magnet
D TEXTILES; PAPER
06
TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
F
LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
39
Details of washing machines in so far as such details are not special to washing machines of groups D06F21/-D06F25/ or to any particular type of washing machine defined in groups D06F9/-D06F19/268
08
Liquid supply or discharge arrangements
Applicants:
ROBERTSHAW CONTROLS COMPANY [US/US]; 191 East North Avenue Carol Stream, Illinois 60188, US (AllExceptUS)
PALMER, Andrew, J. [NZ/NZ]; NZ (UsOnly)
Inventors:
PALMER, Andrew, J.; NZ
Agent:
MAKEEVER, Jeffery, J.; Reinhart Boerner Van Deuren P.C. 2215 Perrygreen Way Rockford, Illinois 61107, US
Priority Data:
12/343,67224.12.2008US
Title (EN) PILOT OPERATED WATER VALVE
(FR) ROBINET D'EAU À COMMANDE PILOTE
Abstract:
(EN) A solenoid operated pilot valve utilizes an offset pilot opening and a lever arm to provide a mechanical advantage to multiply the opening force of the solenoid, thereby allowing the solenoid size to be reduced. The lever arm used to position the pilot valving member is mechanically positioned via a solenoid driven plunger in one embodiment, and is positioned by magnetic force alone in an alternative, plungerless embodiment. The lever arm pivots via a fixed fulcrum point, a profiled fulcrum providing continuously variable mechanical advantage, or a stepped fulcrum providing discreet different mechanical advantages as the pilot valving member is moved from its fully closed to its fully opened position.
(FR) La présente invention concerne un robinet pilote commandé par un solénoïde, qui utilise une ouverture pilote de décalage et un bras de levier pour procurer un avantage mécanique afin de multiplier la force d'ouverture du solénoïde. Ceci permet la réduction de la taille du solénoïde. Le bras de levier utilisé pour positionner l'élément de robinet pilote est positionné mécaniquement via un piston actionné par un solénoïde dans un mode de réalisation, et est positionné par une force magnétique seule dans un mode de réalisation alternatif sans piston. Le bras de levier pivote par le biais d'un point d'appui fixe, d'un point d'appui profilé procurant un avantage mécanique continuellement variable, ou d'un point d'appui échelonné procurant des avantages mécaniques différents discrets, lorsque l'élément de robinet pilote est déplacé depuis sa position entièrement fermée jusqu'à sa position entièrement ouverte.
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, 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, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, 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, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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, 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)
Also published as:
CN102333982MX2011006749KR1020110098959