Abstract: A pin tumbler cylinder lock that is virtually pick proof comprises a cylinder housing having a single bore and a cylinder key plug arranged in the single bore. The pin tumbler cylinder lock also comprises a cavity having a predetermined shape in a predetermined portion of the housing. The pin tumbler cylinder lock also includes a lockout sleeve arranged over the cylinder key plug wherein the lockout sleeve may rotate within the cavity to create a lockout mode for the pin tumbler cylinder lock when a lock picking attempt is occurring thereon.

Abstract: A digital lock including at least two magnets is disclosed. One magnet is a semi-hard magnet and the other magnet is a hard magnet. The hard magnet is configured to open or close the digital lock. The semi hard magnet and the hard magnet are placed adjacent to each other. A change in magnetization polarization of the semi hard magnet is configured to push or pull the hard magnet to open or close the digital lock.

Abstract: A push-pull passage lock mounting device is provided for use with doors of various thicknesses. The device, which comprises a first mounting plate, a second mounting plate, adjusting inserts, a central actuator block, a first threaded stud connected with the first mounting plate, a second threaded stud connected with the second mounting plate. The adjusting inserts are sleeved on the first threaded stud or the second threaded stud. The distance between the first mounting plate and the second mounting plate can be adjusted via the inserts so as to adapt to doors with various thicknesses.

Abstract: A gate lock for locking single drive or double drive gates includes a mounting bracket, a faceplate, a locking pin and a latch bar. The mounting bracket is connected to a first fence portion while the latch bar is connected to the second fence portion. The faceplate is connected to the mounting bracket through the use of a fastener positioned within the faceplate's central aperture. The faceplate is capable of being rotated about the central aperture. The faceplate includes locking apertures for receiving padlocks. The faceplate, mounting bracket, and latch bar each include apertures for receiving the locking pin. The faceplate and the latch bar can each include a plurality of apertures for receiving the locking pin. In the locked position, the latch bar is positioned between the mounting bracket and the first fence portion, the locking pin is positioned within the locking aperture of the latch bar, and the faceplate has a padlock positioned within each locking aperture.

Abstract: A motorized appliance latch provides for a spring-biased strike grip that can be engaged and disengaged from the strike with low force but then locked in a close position during closing of the door to allow the strike to be retained against countervailing gasket compression forces. In this way, an arbitrarily low force may be required by the consumer to close or open the door when the door is unsealed by the motor.

Abstract: A window fastener includes a forced-entry-resistant sash lock and tilt latch assembly. The sash lock is actuated to engage a keeper to lock the closed sash window. The tilt latch assembly permits sliding of the unlocked window, and prevents tilting until the tilt latch assembly is actuated by the interconnected sash lock. The sash lock and tilt latch assembly cooperate with a stop member secured to a master window frame, to limit opening of the window to a position between the closed position and a full open position, through contact of the latch assembly with a portion of the stop member. The sash lock is configured to actuate the latch assembly into a cocked position, permitting window movement beyond the limited position, and selective contact between the latch assembly and stop member that triggers latch assembly repositioning, causing automatic locking of the sash window when moved into the closed position.

Abstract: A locking device for a door located at a door frame having a door strike. The locking device includes an actuator having a neutral position and a displaced position, and a latchbolt assembly having an extended position configured to engage the door strike, and a retracted position configured to move past the door strike. The latchbolt assembly includes a latchbolt link configured to move the latchbolt in response to movement of the actuator. A first dampening device is disposed adjacent to the latchbolt link, with the dampening device resiliently engaging the latchbolt link as the latchbolt link moves from the retracted position to the extended position. The first dampening device limits movement of the latchbolt link. A second dampening device is configured to restrain movement of the latchbolt during movement from the retracted position to the extended position.

Abstract: A retractable cable locking device, which includes a housing having a top and a bottom, a non-rotatable axle extending between the top and the bottom, a plurality of rotatable assemblies disposed within the housing where each rotatable assembly comprises a rotatable planar member and where each rotatable assembly can be separately rotated around the non-rotatable axle, a plurality of locking cables each having a first end which is attached to a different one of the plurality of planar members, a plurality of locking pins where each locking pin is disposed on a different distal end of a different locking cable, and a plurality of lock mechanisms wherein each lock mechanism will accept and fixture any one of the plurality of locking pins.

Abstract: A latch assembly and a method of disengaging the latch assembly for a vehicle door are provided. In particular, the latch assembly includes a releasing lever that is moveably attached to the latch assembly via a pawl and is moveable between an engaged and disengaged position to unlatch the latch assembly. Additionally, a lock lever interacts with an override assembly to control whether the vehicle door is opened. The override assembly requires two movements to move the lock lever to an unlocked position and to open the latch during a power failure.

Abstract: Formation of a pool of liquid around a locking pin is inhibited when a protector is provided around the locking pin. The protector is provided with projecting side surfaces that are connected to the upper surface and the lower surface and are provided above and below the locking pin. The projecting side surfaces project to the inside of the recess to an extent greater than the maximum protrusion length of the locking pin at which the locking pin protrudes to the inside of the recess to the maximum extent. The lower surface of the protector is sloped downward toward the inside of the recess from the rear side wall on which the locking pin is provided.

Abstract: A lock with a locking mechanism including a rotary latch—preferably at least partially composed of metal—with a load arm and a catch arm, which is rotatably mounted on a catch axis, and which can receive a locking bolt, where the distance between the inner end of the locking bolt and the contact point between locking bolt and load arm is shorter than the distance between the contact point between locking bolt and load arm and the outer end of the locking bolt. The opening forces of a vehicle lock are minimised as a result.

Abstract: A sash window fastener includes a lock assembly, latch assembly, and stop member. The lock assembly mounts upon the meeting rail, and includes a pivotable cam to engage a keeper on the master frame, and a pivotable arm that acts as a follower. The arm interconnects with the latch within the meeting rail, so cam rotation controls arm positioning—causing translational movement of the latch. The cam can occupy four positions causing four corresponding latch positions: an extended position securing the cam to the keeper, with the latch engaging the master frame to prevent tilting, and contacts a first stop to redundantly lock the window; a first retracted position permitting sliding of the window, but limited by the slightly retracted latch clearing the first stop but contacting a second stop; a second retracted position permitting sliding beyond the second stop, but preventing tilting; and a third retracted position permitting tilting.

Abstract: It is provided a window lifter assembly, comprising an adjustable window pane for a vehicle window lifter, in which the window pane in a closed state is flush with upper and/or lateral body parts which border a window opening, to be closed by the window pane, in a window frame. The window lifter assembly furthermore has at least one pane guide element which is fixed on the window pane in the region of a lateral pane edge and at least one frame-side guide element at which the pane guide element is held displaceably on the window opening. The at least one pane guide element is of multi-part design with at least one first guide part and a second guide part.

Abstract: An apparatus according to one embodiment includes a door closer having a pinion adapted to be operably coupled to a door and rotate in a first direction in response to opening the door and to rotate in a second direction in response to closing the door, and a power boost module operably coupled to the pinion. The power boost module includes a motor adapted to generate electrical energy via rotational movement of the pinion and supply a boost force to the pinion to assist closing the door, a gearing operably coupled to the pinion and the motor and structured to back drive the motor to generate the electrical energy in response to rotation of the pinion, and an energy storage device adapted to store the electrical energy generated by the motor and supply stored electrical energy to the motor for the boost force.

Abstract: An extrusion profile for a door of a vehicle is made of an elastomeric material having at least one continuous switching element for a detection device for detecting a compression of the extrusion profile and/or is made of a continuous cut protection device, wherein the switching element and/or the cut protection device is/are integrated into the extrusion profile and can be cut to length with the extrusion profile.

Abstract: Light grid for protecting the door edge of a motor-driven door against collision with an object, having a transmitter strip and a receiver strip with transmitter elements and receiver elements, for detecting an object in the plane of the door panels by interruption of the reception of individual receiver elements. An evaluation device distinguishes between normal and safety cases based on the detection of a status for the door, identifies the safety case if the number of uninterrupted receiving elements between door edge and object falls below a critical number, and identifies the normal case if the safety case is not identified. A communication device outputs a signal for the status. The evaluation device determines a distance value corresponding to the number of uninterrupted receiver elements below the door edge up to the first interrupted element, and the communication device varies the frequency as a function of the distance value.

Abstract: A method for operating a door module of a motor vehicle, having a door which is driven by means of a motorized door adjuster, and having a windowpane which is driven by means of a motorized window lift. A first request for adjusting the windowpane is detected, and the window pane is adjusted depending on the first request. A second request for adjusting the door is detected, and the door is adjusted depending on the second request. The adjustment of the windowpane is ended at least temporarily while the door is adjusted. A door module of a motor vehicle is also provided.

Abstract: A motor-integrated power trunk opening system applied to a vehicle may include a hinge arm which is divided into a power side portion and an interlocking side portion to support left and right end portions of a trunk lid covering a trunk compartment, and an actuator which is mounted to the power side hinge arm and moves the hinge arm upwards using generated power so that the trunk lid opens

Abstract: A sill pan concealment system and method for concealing a sill pan wall that lies across a threshold. The system comprises a sill pan that rests flush across the threshold, and a sill that is disposed parallel and in alignment with the sill pan. The sill fits into the sill pan to create a protruding barrier across the threshold. The sill pan has an interior wall oriented towards the interior region; and an exterior wall oriented towards the exterior region. The sill has a sill interior end that orients towards the sill an interior wall. The sill interior end forms an elongated notch through a cross section of the sill. The notch is sized and dimensioned to align with, and receive the interior wall of the sill pan. In this manner, the interior wall of the sill pan is concealed in the notch, from the perspective of interior region.

Abstract: There are provided emergency exit window systems. In one form, there is provided an emergency exit window system that includes: a frame; a sash pivotally carried by the frame so as to pivot between a closed position in which the sash is flush with the frame, and an open position permitting human egress through the frame; and a locking mechanism adapted for locking the window sash in the closed position. The locking mechanism may include a locking arm movably carried by the sash, wherein the locking arm is movable relative to the sash between a lock position and an unlock position. Further, the locking mechanism may include at least one biasing member acting between the locking arm and the sash to bias the locking arm toward the lock position; an inwardly projecting locking catch fixedly carried by the frame; and an inwardly projecting safety guard movably carried by the frame.

Abstract: Embodiments described herein may be directed to the functional application and method of use of the compression gasket for sealing a window installed in a window frame. In accordance with the present disclosure, a compression gasket may comprise soft rubber portion that applies pressure against a window surface. The soft rubber portion may compress, causing a rigid plastic portion that to bow outwardly and engage inner surfaces of the window frame. The bowing out of the rigid plastic portion, which may include a leaf spring, may secure the compression gasket to the window frame. The compression gasket may be designed to stop water leakage that may occur between the window and the window frame.

Abstract: An expandable, low-elasticity spacer made of two-sided corrugated material having a topsheet, a bottomsheet, and a corrugated sheet therebetween forming flutes. The spacer comprises two strips of the corrugated material, joined together to form a polygon having inside and outside corners. Each outside corner of the polygon has a slit parallel to the flutes that severs the continuity of the sheet in which it is made, eliminating the ability of the discontinuous portions to pull against each other, thereby eliminating potential spring back. The spacer is perforated, scored or crimped parallel to the flutes in one or more of the inside corners to make it easier to bend the spacer at the desired fold line. Because the spacer avoids springing back to its collapsed position, it can be sized to fill a cavity with no excess material and leave no unintended gaps. The corrugated material is preferably fiberboard or plastic.

Abstract: A molded access door assembly for an access opening in a covering material of a wall or ceiling is disclosed. The door assembly includes a frame defining a frame opening. The frame is positionable against the covering material with the frame opening in alignment with the access opening. The frame includes a lip extending about a perimeter of the frame opening for bearing against the covering material adjacent the access opening, and a plurality of fastener holes passing through the lip for receiving fasteners to secure the frame against the covering material. The door assembly further includes a molded door hingedly connected to the frame. The door is movable between an open position providing access to the frame opening and the fastener holes, and a closed position in which the door covers the frame opening and an entirety of the fastener holes.

Abstract: An assembly for a door or window frame including an elongated sill and a corner key attached to each end of the sill, where the corner keys each support a bottom end of a jamb. Each corner key includes a jamb-facing surface, a drain surface, and a sill-facing surface, the sill-facing surface extending between the jamb-facing surface and the drain surface. The corner key includes a chamber for collecting water therein and a drain port having an opening formed along the drain surface of the corner key, the drain port being in communication with the chamber for directing the water from the chamber out of the corner key.

Abstract: An assembly for a door or window frame including an elongated sill and a corner key attached to each end of the sill. The corner key includes a water chamber for collecting water therein and a plurality of ports for diverting water from the water chamber outwardly through a drain port. The water chamber and plurality of ports are designed to temper a high-pressure gradient in the sill and effectively promote water egress away from the sill.

Abstract: A protection system for an opening of a building is provided. The system includes a pair of side rails where the pair of side rails each has a pair of offset elongated protrusions contained within a cavity of the side rails. Further, at least one slat extending between the pair of side rails, the slat adapted to connect with the pair of offset protrusions within the side rails. In most embodiments, a plurality of slats are provided to roll up when not in use. A clip is connected to a distal end of the slat, the slat adapted to directly connect to the offset elongated protrusions contained within the cavity of the side rails.

Abstract: The present invention relates to roll-up wall and acoustic barrier system (608) which may include an elongated member (300, 670). The elongated member may include a front wall (302), a rear wall (303) spaced from the front wall, a bottom wall (304), a first top wall (326a) adjacent the front wall, a second top wall (326b) adjacent the rear wall, and a channel (86) between the first top wall and the second top wall. The channel may comprise a first side wall (86a), a second side wall (86b), a first ledge (86c), and a second ledge (86d). The first and second ledges may define a slot (88) between the first side wall and the second side wall. The elongated member may further comprise a conduit (466) disposed between the front wall (302) and the rear wall (303) that is connected to the channel via the slot.

Abstract: The present disclosure relates to devices that include a perovskite, where, when a first condition is met, at least a portion of the perovskite is in a first phase that substantially transmits light, when a second condition is met, at least a portion of the perovskite is in a second phase that substantially absorbs light, and the perovskite is reversibly switchable between the first phase and the second phase by reversibly switching between the first condition and the second condition.

Abstract: An apparatus and method for moving a window sash relative to a window frame. A window comprises a frame and a sash pivotally connected to the frame. A plurality of members are positioned between the sash and the frame, and the plurality of members are arranged in a series. A plurality of magnet sets comprise at least a first magnet operably connected to one member in the series of members and at least a second magnet operably connected to another member in the series of members. The first magnet is adjacent the second magnet, and at least one of the first or second magnets is an electromagnet. Energizing the electromagnets causes the members in the series of members to move relative to each other and causes the sash to move relative to the frame.

Abstract: A folding ladder with an armrest, has two front legs, two rear legs, two shaft sleeves and at least a footboard, two shaft sleeves are respectively sleeved on the top portion of the two front legs, the top portion of the two rear legs are respectively rotatably pivoted to the two shaft sleeves; further comprising an armrest, the armrest comprises two movable bars and a link bar, two movable bars are respectively connected to the two front legs in stretchable way, the link bar is connected between the two movable bars; the shaft sleeve is disposed with an adjustable switch to control the movable bar to stretch out and draw back. The adjustable switch has a handle, a position pin disposed at one end of the handle and an elastic element disposed at the other end of the handle.

Abstract: A portable step platform fits onto the hollow rungs of an extension or step ladder, providing support, security and comfort for the user performing work related tasks on the ladder. A user can easily move the device up or down on the ladder, or swing the platform out of the way when ascending or descending. Tilt adjustment is facilitated for the foot platform, to accommodate different ladder inclinations. In addition, the portable step platform is configured to allow support of a scaffold plank on the top surface.

Abstract: A mud-lubricated bearing section including a seal assembly for directing a fluid flowing through a mud-lubricated bearing into a central bore of a mandrel. At least one mud-lubricated bearing is positioned in an annular space between the mandrel and a housing. The seal assembly directs the fluid from the annular space through a mandrel fluid port into the mandrel central bore. The seal assembly seals the annular space, and includes a piston, a plug, and a chamber between the piston and the plug. The piston is configured for axial movement relative to the mandrel and the housing, while the plug is axially fixed relative to the mandrel and/or the housing. The chamber is configured to contain a lubricating fluid. The piston includes inner and outer seals. The plug includes a lower seal and a passage allowing the fluid from the chamber to reach the lower seal for lubrication.

Abstract: Embodiments disclosed herein relate to a composition useful for forming a stator or a portion thereof. The composition may include: a curable elastomer; a fiber or fibrous compound; a fiber dispersion compound; and optionally carbon black.

Abstract: A bolting and drilling system comprising a vehicle, a gantry mounted to the vehicle, a boom assembly having a first end mounted to the gantry and a second end having a first quick connector and a second quick connector. The system includes a bolter assembly connectable to the first quick connector, wherein the bolter assembly comprises a stinger, a drill and a bolter for stinging, drilling and bolting a roof of an underground mine. The system includes a drill feed assembly connectable to the second quick connector, wherein the drill feed assembly comprises a drill for drilling a rock face of a heading. The drill feed assembly is longer than the bolter assembly.

Abstract: A bottomhole assembly may include a downhole motor and bearing assembly. The downhole motor may include a rotor and stator. The bearing assembly may include a bearing mandrel. The bearing mandrel may be coupled to the rotor by a transmission shaft. The bottomhole assembly may include one or more sensors positioned in the bearing mandrel, transmission shaft, or rotor. The bottomhole assembly may include a conductor that passes through one or more of the bearing mandrel, transmission shaft, and the rotor from the sensor to a communications package.

Abstract: Geotechnical apparatus comprising at least one rod provided with a probe, which rod has a longitudinal bore extending along its body which is in fluid communication with one or more lubricating openings behind the probe for introducing lubricant along the rod's superficial area, wherein the apparatus further comprises a drive unit for the at least one rod for pushing said rod into the ground or pulling it from the ground.

Abstract: A bit for drilling a wellbore includes: a shank having a coupling formed at an upper end thereof; a body mounted to a lower end of the shank; and a cutting face forming a lower end of the bit. The cutting face includes: a blade protruding from the body; a leading cutter including: a substrate mounted in a pocket formed in a leading edge of the blade; and a cutting table made from a superhard material and mounted to the substrate; and a shock stud having a nonplanar working portion made from a composite material and mounted in a lower face of the blade at a position trailing the leading cutter. The composite material comprises a ceramic or cermet matrix impregnated with a superhard material.

Abstract: For transmitting signals from a collar based tool to an MWD tool string, the collar based tool is connected to an adapter having a wet connector at its end, and the MWD tool string is connected to a centralizer having another wet connector at its end. The adapter includes a rotatable portion that can be oriented in a predetermined orientation, for example, a direction related to the high side of the bent housing of a mud motor tool. The centralizer and the adapter are stabbed together, thus mating the wet connectors. During stabbing, the MWD tool string orients itself with the predetermined orientation. Also, the wet connectors align themselves.

Abstract: A threaded joint for joining tubes used especially in the field of OCTG (Oil Country Tubular Goods), such as pipes in gas or oil production and/or casings when drilling wells can include a pin and a coupling, or box, having an end surface not facing against any surface of the pin when the joint is made-up. Following make-up of the joint, first sealing surfaces of the pin and box mate to form an internal metal-to-metal seal, and second sealing surfaces of the pin and box mate to form an external metal-to-metal seal, where the internal and external seals are defined by contact between one toroidal surface and one frusto-conical surface.

Abstract: A coupling for joining a downhole pump to a sucker rod string is disclosed. The coupling includes a core having a first end, a central portion, and a second end. The first end and the second end each have an end surface. The first end tapers linearly inwards from the central portion to the first end surface. The second end has a rounded edge along the second end surface. The coupling is made from a spinodally-hardened copper-nickel-tin alloy and has a sliding coefficient of friction of less than 0.4 when measured against carbon steel.

Abstract: A sucker rod string is formed from sucker rods and sucker rod couplings. The sucker rod couplings are formed from a spinodally-hardened copper alloy comprising from about 8 to about 20 wt % nickel, and from about 5 to about 11 wt % tin, the remaining balance being copper, and having a sliding coefficient of friction of 0.4 or less when measured against carbon steel. The sucker rod string has low friction and improved pumping stroke, enhanced pumping capacity, and less load in the overall system.

Abstract: A drill string is comprised of a vibration damping drill pipe section, made of a material such as aluminum alloy, titanium, composite material, or ductile iron, for example, and another drill pipe section made of a different material, such as conventional steel. The vibration damping drill pipe section may be place in any desired location, such as near sensitive equipment, such as a bottom hole assembly. Additional vibration damping sections may be interspersed with conventional drill pipe. The vibration damping drill pipe helps to reduce vibration experienced by the drill string during drilling, particularly torsional and lateral vibration.

Abstract: Examples of fiber reinforced and powered coil tubing include a hollow fiber reinforced composite coiled tubing with a tubing wall having an inner surface, an outer surface and a wall thickness. The inner surface is formed to prevent absorption of fluids flowed through the coiled tubing to the tubing wall. The tubing can connect a power source at a surface of a wellbore to downhole equipment positioned within the wellbore. An electrical power conductor is embedded in the tubing wall. The conductor can transfer power from the power source to the downhole equipment. The tubing can be used to lower, install and remove downhole equipment into the wellbore without a work-over rig. The downhole equipment can be operated by transmitted power through the electrical power conductor.

Abstract: A high trip rate drilling rig has first handling equipment to transport stands in/out of setback, second handling equipment to deliver stands to/from well center, and a hand-off position to set down stands for exchange between first/second equipment. Second equipment can include a top drive and a delivery arm translatable along the mast past each other, and a clasp on the arm slidable on the stand for constraint below the upper end, which can allow the top drive to engage/disengage the constrained stand above the arm. A high trip rate method transports stands in/out of setback, delivers stands to/from well center, and sets down and hands off stands at hand-off position between the setback transportation and well center delivery. The delivery can include engaging/disengaging the top drive and a stand constrained by the clasp.

Abstract: Embodiments of the present disclosure relate to apparatus and methods for making up and evaluating tubular threaded connections. A tong assembly may be used for making up threaded connections. A threaded connection may be made up automatically by controlling the rotation speed of the tong assembly according to measurements of torque, turns, and/or time. After a threaded connection is made up, measurements of time, torque, and/or turns may be corrected based on operating parameters. The corrected measurements may be evaluated for indications of failure, such as discontinuity, torque spikes, and torque drops. The threaded connection is then accepted or rejected based on the evaluation.

Abstract: An apparatus includes a housing and at least two pipe ram systems engageable with the housing. Each of the at least two pipe ram systems comprises an actuator, a bonnet and a sealing pipe ram element. The at least two pipe ram systems are disposed on opposed sides of the housing. A carousel is disposed proximate at least one of the at least two pipe ram systems. The carousel has mounted thereon a plurality of pipe ram systems. The carousel is rotatable to orient a selected one of the plurality of pipe ram systems toward a receiving bore in the housing.

Abstract: A downhole cutting tool and method of operating the cutting tool. The cutting tool (10) has first and second flow pathways through the tool body (12) and a switching mechanism operated by axial force via weight-set or drop ball to control the opening of the flow pathways and direct fluid to the second flow path and operate the cutting mechanism (18). Fluid flow through the first pathway can be used to actuate a hydraulically operated tool mounted on the tool string below the cutting tool (10).

Abstract: A setting tool for setting frac plugs and the like can include a mandrel having a chamber for housing expandable gas and a gas port in fluid communication with the chamber; a firing head secured to the mandrel for igniting a power charge to generate pressurized gas within the chamber; a barrel piston housing the mandrel and connected to a sleeve for setting the frac plug; and an expansion region defined between the mandrel and the barrel piston and receiving the pressurized gas which exerts force to cause a stroke of the barrel piston over the mandrel as the expansion region expands axially. The setting tool can include various features, such as certain gas bleed systems, an enhanced shear screw assembly, a bleed port and plug assembly, a scribe line, a particular gas port configuration, a liquid escape conduit, no-shoulder barrel configuration, and/or a low-force design for frac plugs.

Abstract: This invention relates to a dump bailer (1) for insertion into a well (20) in the ground. The dump bailer (1) includes a receptacle (2) which communicates with surroundings through an inlet (4) and an outlet (6), and a pump (10) positioned in a flow path (7) between the inlet (4) and the outlet (6). The pump (10) is positioned at the outlet (6), and the pump (10) during transport of the dump bailer (1) in the well (20) constitutes a sealed barrier for the carried material (18) in the receptacle (2). A method for use of the dump bailer (1) is also described.

Abstract: A downhole apparatus and method for expelling fluid which comprises a container defining a void which is separated into three separate sections by a floating piston and control member, each having a dynamic seal. A portion of the container defining one of the void sections has a different cross-sectional area than the portion of the container defining another void section. In use, a fluid to be expelled is provided in one void section, and a reduced pressure (compared to the well) is sealed in another void section. The apparatus also comprises a wireless electromagnetic or acoustic receiver. When a signal is received by the wireless receiver to activate the apparatus, a valve or other mechanism maybe activated to release the floating piston and connected control member such that the lower pressure void and differing cross-sectional areas of the container drives and expels fluid out of the apparatus.