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    • 3. 发明申请
    • MULTI-FUNCTION VALVE FOR CONTROLLING THE FEED OF A COMBUSTIBLE GAS TO A BURNER APPARATUS
    • 用于控制可燃气体进入燃烧器装置的多功能阀
    • WO2006003684A8
    • 2006-03-09
    • PCT/IT2005000340
    • 2005-06-15
    • SIT LA PRECISA SPATURRIN GIANPIEROZANELLA STEFANO
    • TURRIN GIANPIEROZANELLA STEFANO
    • F23N1/00
    • F23N1/002F23K2900/05001F23N2035/18F23N2035/20
    • A multi-function valve unit for controlling the feed of a combustible gas to a burner apparatus comprises a gas feed passage (2) extending from an inlet aperture (3) to an outlet aperture (4) of the unit, a solenoid valve (5) positioned on the passage (2) with an on-off function, and a pressure regulating device (6) including a valve seat (7) in the passage associated with an obturator (8) controlled by a diaphragm (10) including at least one diaphragm (10) associated for operation with the obturator (8) in such a way that the facing sides (8a, 10a) of the obturator (8) and of the at least one diaphragm (10) respectively are subjected to the same pressure level, the other side of the at least one diaphragm (10) being subjected to a predetermined load. The unit additionally comprises, in association with the obturator (8) of the pressure regulating device (6), a means (14) for returning the obturator (8) to a position in which the corresponding valve seat (7) is shut off and an operating means (15) for moving the obturator (8) with respect to the valve seat (7), in opposition to the return means (14), to regulate the feed pressure by modulation, in such a way that the on-off and modulation functions are both integrated into the pressure regulator (6). The sides (8a, 10a) of the obturator (8) and of the diaphragm (10) respectively also have surface extensions which are substantially equivalent to each other, so that the resultant of the stresses generated in the regulating device (6) by the pressures acting on the facing sides of the obturator and the diaphragm is made ineffective overall, or even reduced to zero.
    • 用于控制可燃气体进入燃烧器装置的多功能阀单元包括从进口孔(3)延伸到单元的出口孔(4)的气体供给通道(2),电磁阀(5) ),其具有开关功能,以及压力调节装置(6),所述压力调节装置(6)包括与通过膜片(10)控制的闭塞器(8)相关联的通道中的阀座(7),该隔膜至少包括 一个隔膜(10),其与闭塞器(8)相关联操​​作,使得闭塞器(8)和至少一个隔膜(10)的相对侧面(8a,10a)分别受到相同的压力 所述至少一个隔膜(10)的另一侧受到预定的负载。 该单元还包括与压力调节装置(6)的闭孔器(8)相关联的用于将闭塞器(8)返回到相应的阀座(7)被关闭的位置的装置(14),以及 用于相对于所述阀座(7)相对于所述返回装置(14)移动所述闭塞器(8)的操作装置(15),以通过调制来调节进给压力,使得所述开关 并且调制功能都被集成到压力调节器(6)中。 闭塞器(8)和隔膜(10)的侧面(8a,10a)分别具有彼此基本相同的表面延伸部,从而在调节装置(6)中产生的应力的结果由 作用在闭塞器和隔膜的相对侧上的压力整体变得无效,甚至减小到零。
    • 4. 发明申请
    • A METHOD AND A DEVICE FOR CONTROLLING THE FEED OF A COMBUSTIBLE GAS TO A BURNER APPARATUS
    • 用于控制燃烧器装置的可燃气体进料的方法和装置
    • WO2009115411A3
    • 2010-12-16
    • PCT/EP2009052550
    • 2009-03-04
    • SIT LA PRECISA SPA CON SOCIO UNICOZANELLA STEFANO
    • ZANELLA STEFANO
    • F23N1/00
    • F23N1/007F23N2035/20Y10T137/7788
    • Method of controlling the feed of a combustible gas comprising; creating a pressure difference (Dp) in a section of the pipe downstream of the plug (9) with respect to the direction of flow, by means of a constriction (12) in the pipe, the pressure difference being defined by a first pressure (Pu) upstream and a second pressure (Pe) downstream of the constriction, collecting the signal formed by the second pressure and making it act on the side of the membrane opposite that on which the first pressure acts,- generating a regulatable load independent of the pressures so that the pressure difference is regulated by the load on the membrane, the load being correlated proportionally with the difference, so that the flow rate of the gas fed to the outlet section (4), is controlled independently of the pressure levels present m the inlet (3) and in the outlet section of the pipe.
    • 控制可燃气体进料的方法,包括: 通过管道中的收缩部(12),相对于流动方向在塞子(9)下游的管道的一部分中产生压力差(Dp),压差由第一压力 Pu)和收缩部下游的第二压力(Pe),收集由第二压力形成的信号并使其作用在与第一压力作用的膜相反的一侧上,产生独立于第二压力的可调节负载 压力使得压力差由膜上的负载调节,负载与差异成比例地相关联,使得供给到出口部分(4)的气体的流量独立于存在的压力水平来控制 入口(3)和管道的出口部分。