Assignee: Festo KG

Location: Esslingen, DE
No. of patents: 73

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Number	Title	Issue Date
6106032	Pneumatic door lock The invention concerns a lock for doors or operationally similar structures, the lock mechanism being manually actuated with the aid of pneumatic means, without the need for external energy. Means for manually producing overpressure are rigidly connected ...	08/22/2000
5929536	Control device, more especially for actuating valves A control device is proposed for employment in the transfer of control signals between a field bus (2) and at least one load (5). It comprises a control module (23), which possesses a bus communication unit (24) able to be connected with the field bus (2)...	07/27/1999
5924823	Suction nozzle, method for operation, and use of the nozzle A suction nozzle, comprises a suction nozzle tube having a first end for connection to a suction line and a second end forming a suction port, and at least one lateral opening in the suction nozzle tube in a zone of the suction port for a further flow ext...	07/20/1999
5901504	Roof of a structure A roof for a built structure is proposed, which is designed in the form of a hollow body structure. It possesses interconnected walls (18 and 19) of flexible and at least substantially air-impermeable material. These walls (18 and 19) constitute elongated...	05/11/1999
5884360	Nozzle arrangement and use thereof With one or several pressure streams projected at an acute angle (଱) in relation to the surface to be processed, shearing forces can be reached that are high enough to move solid particles and/or fluid media and thus make it easier to suck them away...	03/23/1999
5823505	Solenoid valve with an ancillary drive member A solenoid valve, whose valve member is acted upon by a feed pressure in a closed setting by the feed pressure obtaining in an inlet duct. In order to render possible rapid switching operations a moving ancillary drive member is provided which is acted up...	10/20/1998
5820091	Functional component usable for demonstration and/or training purposes A functional component usable for demonstration and/or training purposes which is releasably secured to the mounting surface of a support base (1) and for this purpose it is provided with a securing device engageable with the support base (1). The securin...	10/13/1998
5819801	Method and device for producing periodical impulse changes in a fluid flow A device for automatically producing periodical impulse changes in a pressure line is provided with an elastic intermediate member impacted by a control pressure. Pressurizing the exterior of the intermediate member produces a pulsating flow of the fluid ...	10/13/1998
5813313	Piston for a fluid power cylinder A piston for a fluid power cylinder, which possesses two separate piston parts, which are detachably set together in a joint region axially with a sealing action. Each piston part has a rigid carrying element, which is molded on a holding portion, which i...	09/29/1998
5796008	Pressure gage device having a tube spring associated with a venting valve to adjust a preset A pressure gage device having a pressure gage with a double function. On the one hand it serves for conventional display of pressure and on the other hand it furthermore renders possible a variable setting of the displayed pressure....	08/18/1998
5794901	Functional component usable for demonstration and/or training purposes Functional component usable for demonstration and/or training purposes which can be releasably secured to the mounting face of a support base (1). It is provided with a clamping device (8) which is brought into engagement with a mounting recess (3) of sup...	08/18/1998
5777471	Device for detecting angular positions of a shaft A device for detection of angular positions of a shaft adapted to be rotated about its longitudinal axis. An actuating member keyed on the shaft moves along an arcuate path during rotation of the shaft. At least one sensor is adjustably secured by means o...	07/07/1998
5765589	Valve arrangement A valve arrangement comprising several valve units placed in rows side by side in the a direction in a common row defining plane. Each valve unit comprises a base plate with supply and venting ducts extending therethrough and two mutually parallel spool r...	06/16/1998
5761985	Fluid power cylinder A fluid power cylinder comprises a terminally arranged piston rod guide device through which a guide station of the piston rod with a prismatic cross section runs. Two diametrally opposite prism side edges of the guide section fit into circumferentially e...	06/09/1998
5746110	Drive cylinder A compact drive cylinder with a cylinder barrel, an end cap and a guide cap is provided. In the cylinder barrel an axially sliding piston is arranged, on which a piston rod is mounted which extends through the guide cap. The piston divides a thrust chambe...	05/05/1998
5743049	Support structure for architectural systems A support structure for architectural systems is suggested which comprises a plurality of supports (2) standing on a base and serving to bear a load. The supports (2) are constituted by air-tight hollow bodies (6) which possesses a wall of flexible materi...	04/28/1998
5732613	Fluid operated rotary drive with position detector A fluid operated rotary drive, which possesses a drive means having an output drive shaft able to be driven for oscillating motion. On one axial side of the drive means a position detection means is arranged, which possesses an actuating member connected ...	03/31/1998
5711535	Valve spool seal with one-piece housing ring having an arcuate side wall and a stepped side wall An annular sealing unit for multiway valves. It comprises an integral housing ring, wherein an elastic sealing element is arranged. The housing ring possesses a cylindrical holding wall for attachment in a recess in the valve housing with a press fit. Fur...	01/27/1998
5697726	Coupling device for linear drives A coupling device for linear drives for linking a drive part performing a linear movement in an axial direction with a guide part guided for longitudinal movement on a longitudinal guide parallel to the direction of movement. A force input part connected ...	12/16/1997
5682918	Pressure control valve A pressure control valve, which possesses a primary pressure port, a secondary pressure port and a venting port. For control of the secondary pressure a valve operating device is present which is actuated by a control pressure present in a control chamber...	11/04/1997
5666994	Valve arrangement A valve arrangement having a base plate with valve ducts, a main valve a pilot valve with actuating units. In order to obtain a compact design, the base plate constitutes the housing of the main valve and contains a valve spool receiving space with an ass...	09/16/1997
5662022	Piston-rod-less linear drive A pistonrod-less linear drive, whose housing having a longitudinal slot contains a drive part for longitudinal movement therein. A transmission member linked with the drive part projects right through the longitudinal slot to the outside. Adjacent to the ...	09/02/1997
5638676	Fluid power cylinder The fluid power cylinder possesses a housing, wherein a piston space is defined to accommodate a piston. In or on the housing a pressurized fluid receiver is arranged which possesses at least one receiver chamber connected with the piston space and which ...	06/17/1997
5609091	Fluid power advancing unit A fluid power operated advancing unit has housing and a plunger adapted to run axially therein. The plunger is designed in the form of a three sided prismatic body at least along its length section running in the housing, said body being guided in the hou...	03/11/1997
5606993	Multiway valve A multiway valve has a valve spool space in its valve housing in order to accommodate two valve spools arranged in tandem. Since such two valve spools are able to be operated independently of each other, different valve functions may be performed by the v...	03/04/1997
5603509	Stripping device A stripping device comprising a stripping ring and a locating ring. The stripping ring is set on a holder in a fitted position thereof. The locating ring is resiliently elastic in design and fits in an annular groove provided in the holder for axially loc...	02/18/1997
5603350	Valve station A valve station is suggested which is provided with a fluid distribution device (5) with an equipment panel (8). A plurality of multi-way valves (12) are mounted on the panel (8), which are controlled by an electrically actuable valve drive (16). The mult...	02/18/1997
5570717	Distributor device A distributor device for compressed air and/or other fluid. The distributor device possesses a distributor housing with a distributor space opening at a longitudinal slot. Adjacent to the longitudinal slot two mutually opposite sealing bars are provided. ...	11/05/1996
5568982	Linear drive A linear drive, on which housing a longitudinally moving output drive part is provided. In the possible path of motion thereof a limiting device is arranged, with which the end or terminal position of the output drive part may be preset. The limiting devi...	10/29/1996
5568760	Fluid power cylinder with position indicator A fluid power cylinder whose piston rod has on its outer periphery at least one axially extending surface section having the form of a flat. Such surface section has a longitudinal groove, which contains a magnetic strip able to be scanned by a sensor dev...	10/29/1996
5531151	Rodless cylinder A rodless cylinder which is capable of minimizing the leak of pressure fluid from a cylinder tube. A slit of an almost trapezoidal section is formed in the cylinder tube in a longitudinal direction thereof, a trapezoidal belt which is fixed to the ends of...	07/02/1996
5519636	Electronic control device for a valve range of modular design An electronic control device for a modular valve range, which has a fluid manifold arrangement fitted with electrically controlled valves. The valves are controlled via at least one control module. Furthermore input and/or output modules and a central ele...	05/21/1996
5514961	Position detecting device for a linear drive including two magnets having like poles disposed facing each other for concentrating the flux at one point An ultrasonic position detecting device on a linear drive. The drive element of the linear drive bears a magnet arrangement cooperating with an adjacently placed sensor device which comprises an acoustic wave guide of magnetostrictive material. The magnet...	05/07/1996
5490385	Valve range A valve range is suggested suitable for use in connection with the control of fluid operated equipment. It possesses a fluid manifold, which is able to be fitted with pneumatic valves, which are operated via a signal manifold electrically. The valve range...	02/13/1996
5487409	Spool valve A spool valve possesses a longitudinally divided valve housing, in the case of which housing parts are assembled with longitudinal sides fitted together. In the wall of the valve housing valve ducts are provided. In order to enable simplification of the m...	01/30/1996
5485867	Choke valve A choke valve, which comprises a housing wherein a choke duct extends. Two connection ports of the choke duct render possible the connection of means for the supply and removal of driving fluid. A choke member cooperates with the choke duct and is able to...	01/23/1996
5469775	Linear drive with a buffer device A linear-drive device with a housing (1) in which a drive element (3) is fitted in such a way that longitudinal motion is permitted. On the outside of the housing (1) is a longitudinal guide element (16) on which a guide rail (18) is mounted, also in such...	11/28/1995
5458048	Electro-pneumatic control device This is an electro-pneumatic control device which includes a valve station (2) designed similar to a subassembly. The valve station (2) is provided with a fluid conductor (4) which is equipped with a plurality of valves (12) and a central electronic contr...	10/17/1995
5457594	Electropneumatic control device An electropneumatic control device having a plurality of valves, each valve being associated with at least one electrically actuatable valve drive. Each valve drive has integrated therein its own bus communication unit and is coupled to a bus line for com...	10/10/1995
5443093	Control device for a multiway valve The invention proposes a control device for multiway valves. It comprises two adjacently arranged solenoid means, which are respectively associated with a valve member to be driven. Each solenoid means comprises a coil. Outside the coils there is a yoke d...	08/22/1995

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Assignee: Festo KG