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1. 发明申请

WO2002090807A1 PROPORTIONAL VALVE WITH SHAPE MEMORY ALLOY (SMA) ACTUATOR 审中-公开
标题翻译：具有形状记忆合金（SMA）执行器的比例阀
公开(公告)号：WO2002090807A1
公开(公告)日：2002-11-14
申请号：PCT/IT2001/000219
申请日：2001-05-08
申请人： SCUOLA SUPERIORE DI STUDI UNIVERSITARI E DI PERFEZIONAMENTO S. ANNA , DARIO, Paolo , CARROZZA, Maria, Chiara , ARENA, Alberto
发明人： DARIO, Paolo , CARROZZA, Maria, Chiara , ARENA, Alberto
IPC分类号： F16K31/00
CPC分类号： G05D23/08 , F16K31/002 , Y10T137/0363 , Y10T137/0396 , Y10T137/7761
摘要： A proportional valve for the control of the outlet pressure of a fluid flowing therethrough comprising a valve body (1) with an inlet port (15) and an outlet port (17) for the fluid and an inner chamber (8), within which there is formed a valve seat (9) whose opening is varied by means of a shutter (10) axially movable from and towards the valve seat, the movement of the shutter being controlled by a SMA actuating member (11) acting antagonistically to elastic means (12), the temperature of the fluid being lower than the transition temperature of the shape memory alloy. The actuating member and the elastic means are connected to the valve body (1) at opposite sides with respect to the valve seat and power means (105) are provided to be activated for circulating an electric current through said actuating member to heat it by Joule effect from a temperature lower than the transition temperature to an higher one. At least a vent hole (18) for the fluid is formed on the valve body (1) for putting the part of the chamber (8) upstream of said valve seat (9) into communication with the outside or a collection network, the actuating member (11) being housed in said part of chamber in correspondence to the inlet port of the fluid, whereby a continuous flow of fluid around the actuating member is ensured for accelerating the cooling process. A closed-loop control circuit for the power means (105) is provided for controlling the circulating current as a function of a pressure signal generated by fluid pressure sensing means (19) and in such a way to offset the retarding effect produced by the fluid during the heating step of the actuating member.
摘要翻译：用于控制流过流体的流体的出口压力的比例阀，包括具有用于流体的入口（15）和出口（17）的阀体（1）和内室（8）形成阀座（9），其开口通过从阀座轴向移动的挡板（10）而变化，所述挡板的运动由与弹性装置相反作用的SMA致动构件（11）控制 12），流体的温度低于形状记忆合金的转变温度。致动构件和弹性装置在相对于阀座的相对侧处连接到阀体（1），并且动力装置（105）被设置成被启动用于使电流循环通过所述致动构件以通过焦耳从低于转变温度的温度到较高的温度。至少一个用于流体的通气孔（18）形成在阀体（1）上，用于将腔室（8）的一部分放置在所述阀座（9）的上游，与外部或收集网络连通，致动构件（11）相对于流体的入口容纳在腔室的所述部分中，由此确保围绕致动构件的连续的流体流以加速冷却过程。提供用于功率装置（105）的闭环控制电路，用于根据由流体压力检测装置（19）产生的压力信号来控制循环电流，并且以这种方式抵消流体产生的阻滞效应在致动构件的加热步骤期间。

2. 发明申请

WO2002068035A1 ENDOSCOPIC DEVICE FOR LOCOMOTION THROUGH THE GASTRO-INTESTINAL TRACT 审中-公开
标题翻译：通过胃肠道诱导的内窥镜装置
公开(公告)号：WO2002068035A1
公开(公告)日：2002-09-06
申请号：PCT/KR2001/000304
申请日：2001-02-28
申请人： KIST(KOREAN INSTITUTE OF SCIENCE AND TECHNOLOGY) , PHEE SOO JAY, Louis , ARENA, Alberto , MENCIASSI, Arianna , DARIO, Paolo
发明人： PHEE SOO JAY, Louis , ARENA, Alberto , MENCIASSI, Arianna , DARIO, Paolo
IPC分类号： A61M25/01
CPC分类号： A61B1/00151 , A61B1/015 , A61M25/0116
摘要： An endoscopic device for locomotion in a body cavity according to a prefixed advancing direction (A) comprising at least a variable length intermediate section (1a, 21a) extending between a front end section (1b, 21b) and a rear end section (1c, 21c). First and second clamping means (7, 12, 27, 32) are integral to the front and rear section, for alternately grasping respective surrounding portions of wall (P) of the body cavity. Sucking means (13, 14, 37, 38) are associated to the first and second clamping means for creating a depression sufficient to cause the body cavity wall portions to collapse within the first and second clamping means while they are in an open condition. Means for actuating alternate extensions and retractions of the intermediate section and actuating means (6, 11, 26, 31) of the first and second clamping means are further provides for synchronous operation to generate a forward motion of the rear end section due to a retraction of the intermediate section, the wall portion (P) surrounding the first clamping means being firmly held therebetween, and to generate a forward motion of the front end section due to an extension of the intermediate section, the wall portion (P) surrounding the second clamping means being firmly held therebetween.
摘要翻译：一种根据前置行进方向（A）的体腔内运动的内窥镜装置，包括至少一个在前端部分（1b，21b）和后端部分（1c，1c）之间延伸的可变长度中间部分（1a，21a） 21C）。第一和第二夹紧装置（7,12,27,32）与前部和后部成一体，用于交替地夹持体腔的壁（P）的相应周围部分。吸入装置（13,14,37,38）与第一和第二夹紧装置相关联，用于产生足够的凹陷，以使其在第一和第二夹持装置处于打开状态时使体腔壁部分在第一和第二夹紧装置内折叠。用于致动中间部分的交替延伸和缩回以及第一和第二夹持装置的致动装置（6,11,26,31）的装置进一步提供同步操作以产生后端部分由于缩回而向前的运动中间部分的周围的壁部（P）被牢固地保持在其间，并且由于中间部分的延伸而产生前端部分的向前运动，围绕第二夹持装置的壁部分（P）夹紧装置牢固地保持在其间。

3. 发明申请

WO2010067386A1 ENDOSCOPIC DEVICE 审中-公开
标题翻译：内窥镜装置
公开(公告)号：WO2010067386A1
公开(公告)日：2010-06-17
申请号：PCT/IT2008/000753
申请日：2008-12-10
申请人： ERA ENDOSCOPY S.r.l. , GORINI, Samuele , PERNORIO, Giuseppe , ARENA, Alberto
发明人： GORINI, Samuele , PERNORIO, Giuseppe , ARENA, Alberto
IPC分类号： A61B1/00 , A61B1/31 , A61M25/01 , A61B1/273
CPC分类号： A61M25/0122 , A61B1/00156 , A61B1/0055 , A61B1/31
摘要： An endoscopic device capable of autonomous locomotion through a body cavity with a pre-established direction of displacement, comprising a tubular body (1) made of an elastic material extending between two, front (2) and rear (3) end portions respectively comprising pneumatically actuated anchoring means (4) for temporarily and alternately attaching said end portions to the wall of the body cavity in synchronism with corresponding axial extensions and contractions of the tubular body. The tubular body incorporates a reinforcement structure (6, 7) distributed along its length that is substantially rigid in the radial direction and yielding in the axial direction. The tubular body wall is formed by superimposed inner (9) and outer (10) layers, the reinforcement structure being incorporated therebetween. Through openings (11, 12, 13) are formed on the outer layer for allowing air possibly entered between the inner layer and the outer layer from the inside of the tubular body to be discharged to the outside.
摘要翻译：一种内窥镜装置，其能够通过具有预先确定的位移方向的体腔进行自主运动，所述内窥镜装置包括由弹性材料制成的管状体（1），所述管状体在两个前部（2）和后部（3）端部之间分别包括气动致动的锚固装置（4），用于与管状体的对应的轴向延伸和收缩同步地暂时且交替地将所述端部附接到体腔的壁。管状体包括沿其长度分布的加强结构（6,7），该加强结构在径向上基本上是刚性的并且在轴向上产生。管状体壁由叠加的内部（9）和外部（10）层形成，加强结构被结合在其间。通过开口（11,12,13）形成在外层上，用于允许从管状体的内部可能进入内层和外层之间的空气排出到外部。

4. 发明授权

EP1386103B1 PROPORTIONAL VALVE WITH SHAPE MEMORY ALLOY (SMA) ACTUATOR 有权
标题翻译：形状记忆合金DRIVE比例阀
公开(公告)号：EP1386103B1
公开(公告)日：2005-08-03
申请号：EP01932077.9
申请日：2001-05-08
申请人： Arena, Alberto
发明人： DARIO, Paolo , CARROZZA, Maria, Chiara , ARENA, Alberto
IPC分类号： F16K31/00 , G05D23/02
CPC分类号： G05D23/08 , F16K31/002 , Y10T137/0363 , Y10T137/0396 , Y10T137/7761
摘要： A proportional valve for the control of the outlet pressure of a fluid flowing therethrough comprising a valve body (1) with an inlet port (15) and an outlet port (17) for the fluid and an inner chamber (8), within which there is formed a valve seat (9) whose opening is varied by means of a shutter (10) axially movable from and towards the valve seat, the movement of the shutter being controlled by a SMA actuating member (11) acting antagonistically to elastic means (12), the temperature of the fluid being lower than the transition temperature of the shape memory alloy. The actuating member and the elastic means are connected to the valve body (1) at opposite sides with respect to the valve seat and power means (105) are provided to be activated for circulating an electric current through said actuating member to heat it by Joule effect from a temperature lower than the transition temperature to an higher one. At least a vent hole (18) for the fluid is formed on the valve body (1) for putting the part of the chamber (8) upstream of said valve seat (9) into communication with the outside or a collection network, the actuating member (11) being housed in said part of chamber in correspondence to the inlet port of the fluid, whereby a continuous flow of fluid around the actuating member is ensured for accelerating the cooling process. A closed-loop control circuit for the power means (105) is provided for controlling the circulating current as a function of a pressure signal generated by fluid pressure sensing means (19) and in such a way to offset the retarding effect produced by the fluid during the heating step of the actuating member.

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