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1. (WO2017148769) VALVE DEVICE FOR AN INTERNAL COMBUSTION ENGINE
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2017/148769 International Application No.: PCT/EP2017/054056
Publication Date: 08.09.2017 International Filing Date: 22.02.2017
IPC:
F16K 31/126 (2006.01) ,F16K 15/18 (2006.01) ,F16K 29/00 (2006.01) ,F01N 3/30 (2006.01) ,F02M 23/09 (2006.01) ,F02M 26/55 (2016.01) ,F02M 26/50 (2016.01)
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
126
the fluid acting on a diaphragm, bellows, or the like
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
15
Check valves
18
with actuating mechanism; Combined check valves and actuated valves
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
29
Arrangements for movement of valve members other than for opening or closing the valve, e.g. for grinding-in, for preventing sticking
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08
for rendering innocuous
10
by thermal or catalytic conversion of noxious components of exhaust
24
characterised by constructional aspects of converting apparatus
30
Arrangements for supply of additional air
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
23
Apparatus for adding secondary air to fuel-air mixture
04
with automatic control
08
dependent on pressure in main combustion-air induction system
09
using valves directly opened by low pressure
[IPC code unknown for F02M 26/55][IPC code unknown for F02M 26/50]
Applicants:
PIERBURG GMBH [DE/DE]; Alfred-Pierburg-Straße 1 41460 Neuss, DE
Inventors:
PAFFRATH, Holger; DE
SASSENRATH, Kai; DE
CELIK, Halim; DE
BOUTROS-MIKHAIL, Matthias; DE
WEHNEMANN, Andreas; DE
Agent:
PATENTANWÄLTE TER SMITTEN EBERLEIN RÜTTEN; Burgunderstr.29 40549 Düsseldorf, DE
Priority Data:
10 2016 103 549.129.02.2016DE
Title (EN) VALVE DEVICE FOR AN INTERNAL COMBUSTION ENGINE
(FR) DISPOSITIF DE SOUPAPE POUR UN MOTEUR À COMBUSTION INTERNE
(DE) VENTILVORRICHTUNG FÜR EINE VERBRENNUNGSKRAFTMASCHINE
Abstract:
(EN) The invention relates to valve devices for internal combustion engines, comprising a pneumatically actuated actuator (10) with a first membrane (16), a housing (20) with an inlet (22) and an outlet (24), a valve rod (32) which can be moved by the actuator (10), a valve closing element (34) which is secured to the valve rod (32) and which can be lowered onto a first valve seat (36) and raised from the first valve seat (36), a non-return plate (44) which is loaded in the direction of a second valve seat (42) by a spring force, and a pneumatically actuated spacer element (48) by means of which the non-return plate (44) is lifted from the second valve seat (42) against the spring force when the valve closing element (34) is resting on the first valve seat (36), wherein a flow cross-section (40) between the inlet (22) and the outlet (24) can be released or closed by the valve closing element (34) and the non-return plate (44). In order to provide an improved seal of the valve and increase the service life thereof, the spacer element (48) is connected to a second membrane (56) which delimits a control chamber (12) of the pneumatic actuator (10) on one side.
(FR) L'invention concerne des dispositifs de soupape pour des moteurs à combustion interne. Les dispositifs comprennent un actionneur (10) à actionnement pneumatique présentant une première membrane (16), un carter (20) pourvu d'une entrée (22) et d'une sortie (24), une tige de soupape (32) qui peut être déplacée au moyen de l'actionneur (10), un organe de fermeture (34) de soupape, lequel est fixé sur la tige (32) de soupape et lequel peut être abaissé sur un premier siège (36) de soupape et soulevé du premier siège (36) de soupape, une plaque anti-retour (44), laquelle est sollicitée par une force élastique en direction d'un deuxième siège (42) de soupape, un élément d'écartement (48) à actionnement pneumatique, par l'intermédiaire duquel la plaque anti-retour (44) est soulevée du deuxième siège (42) de soupape à l'encontre de la force élastique lorsque l'organe de fermeture (34) de soupape repose sur le premier siège (36) de soupape, une section d'écoulement (40) entre l'entrée (22) et la sortie (24) pouvant être libérée ou fermée par l'organe de fermeture (34) de soupape et la plaque anti-retour (44). L'invention vise à améliorer l'étanchéité de la soupape et à augmenter le temps de vie de celle-ci. À cet effet, l'élément d'écartement (48) est relié à une deuxième membrane (56), laquelle délimite unilatéralement une chambre de commande (12) de l'actionneur (10) pneumatique.
(DE) Es sind Ventilvorrichtungen für Verbrennungskraftmaschinen mit einem pneumatisch betätigtem Aktor (10) mit einer ersten Membran (16), einem Gehäuse (20) mit einem Einlass (22) und einem Auslass (24), einer Ventilstange (32), die über den Aktor (10) bewegbar ist, einem Ventilschließglied (34), welches an der Ventilstange (32) befestigt ist und welches auf einen ersten Ventilsitz (36) absenkbar und vom ersten Ventilsitz (36) abhebbar ist, einer Rückschlagplatte (44), welche über eine Federkraft in Richtung eines zweiten Ventilsitzes (42) belastet ist, einem pneumatisch betätigtem Abstandselement (48), über welches die Rückschlagplatte (44) bei auf dem ersten Ventilsitz (36) aufliegendem Ventilschließglied (34) entgegen der Federkraft vom zweiten Ventilsitz (42) abgehoben ist, wobei ein Durchströmungsquerschnitt (40) zwischen dem Einlass (22) und dem Auslass (24) durch das Ventilschließglied (34) und die Rückschlagplatte (44) freigebbar oder verschließbar ist, bekannt. Um eine verbesserte Dichtigkeit des Ventils zu schaffen und dessen Lebensdauer zu erhöhen, wird vorgeschlagen, dass das Abstandselement (48) mit einer zweiten Membran (56) verbunden ist, welche eine Steuerkammer (12) des pneumatischen Aktors (10) einseitig begrenzt.
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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, 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: German (DE)
Filing Language: German (DE)