Abstract: A re-chargeable self-contained servo cylinder for the control of force with variable piston positions under load includes an elongated cylinder housing having a tubular body with open receiver end and closed opposite end by a cap which includes a central port provided with integral directional check valve for supply of working fluid under pressure during cylinder charging, a piston and rod assembly slidably received inside the cylinder including a rod end closure with seals slipped over piston rod and secured inside the open receiver end so as to protrude an end portion of the piston rod for attaching to a load carrying platform, an integral flow control valve with control rod inside an elongated central bore of the piston rod for control of working fluid communication between the sides of the piston via a fluid opening provided therein when cylinder becomes pressurized by the working fluid and for maintaining a given piston position inside cylinder fixed when the flow control valve is closed thereby also fix

Abstract: Disclosed is an improved check valve for in-line mounting with fluid conduits under pressure subject to directional flow control of the type comprising two components of simple configuration, the improvement including a tee shaped movable short valving pin with a seal secured adjacent pin head over a shank thereof inserted inside a small divider bore portion central to a housing bore with larger diameter end sections and adaptable to fluid flow control therebetween from a first direction by closing the fluid flow passages when the seal is forced against a first side of the divider wall inside a first bore section rendering valve bubble-tight shut until the directions of fluid changes shifting the pin with the seal axially away from the divider as far as the tee permits before abutting a second side of the divider wall inside a second bore section so as to render valve fully open, and vice-versa, including novel means for pin assembly and holding physically inside the housing bore by an elastomeric seal insert

Abstract: A simple solenoid operated valve for use with water and other fluids includes a valve operating section and a valving section interconnected by an elongated plunger passing therebetween by way of a simple separator spaced between said sections including a valving means in said valving section adaptable of maintaining valve in a first normally closed position wherein, when a solenoid coil is not energized, an end of said plunger which is contoured closes an inside diameter of a seal which may be of O-ring configuration bubble-tight shut while when the solenoid coil becomes energized electrically, rendering valve open for fluid communication between a first fluid supply and a second fluid exhaust port means incorporated into a valve housing adaptable of being produced from metal or plastics economically.

Abstract: A thermos bottle cap that doubles as a cup also includes a cup lid adaptable of cup sealing against spillage of the contents such as coffee or other fluids housed therein during cup transport while permitting liquid dispensing enroute from the cup via one of the openings provided therein while the other opening serves as a vent, including cup storage means in a special retainer that may be sealably secured to a top of any surface to prevent cup sliding with liquid splashing, and in congregation the cup, the lid and the retainer permitting novel and effective utilization of prior art components for new and useful synergetic results.

Abstract: A fluid proportioning diverter valve capable or selective flow control between 3 fluid ports incorporated inside an elongated valve housing is provided with a central differential diameter bore passing therethrough between the housing ends and adaptable of receiving slidably an elongated valving stem of which a first end serves as a diverter operating means substantially atop thereof while internally separated by a seal from a second stem end provided with an end seal to divert fluid valved between said ports in any flow ratio desired when the stem becomes shifted axially inside the bore to assume various positions permitting fluid flow between either a first fluid supply port means and a first fluid discharge port means entering the bore via a wall or the first fluid supply port means and a third bottom discharge port means inside a bottom closure means and defined by two extreme stem locations inside thereof while also permitting numerous other stem positions therein to feed both the first side wall and the

Abstract: An energy conserving air pump includes an air operating pump section and a separate fluid pumping section capable of handling pure fluids in concentrate form or in solution, and operates by the use of a single slug of air in the air operating section to shift a shuttle valve of differential diameter incorporated therein from a first to a second positions while simultaneously allowing air to actuate reciprocating pumping members incorporated into said fluid pumping section dispensing with complicated valves of conventional air pumps and allowing an automatic cycle repetition with the same air slug from a first pump atmospheric position which permits pump priming with suction of fluids pumped therethrough to a second pump discharge position, and vice-versa.

Abstract: A new breed of die cylinders operating at 1000-5000 psig. working fluid pressures and adaptable for use individually or by manifolding with punch presses to cushion dies can be operated with maximum rated pressure force against a force which a ram develops in one direction and in the opposite direction with partial pressure force which the die cylinders exert when force balanced. The following is accomplished by loading a piston underside by the same working fluid pressure when the piston bottoms inside a cylinder housing at the end of the ram induced stroke enabling an instant high pressure surge of fluid, be it Nitrogen gas or other working fluid, to enter the piston underside provided with a piston rod and exert a resistance force proportional to the net free area exposed thereto thereby providing force balanced cylinder operation.

Abstract: An energy conserving air motor with rotary actuation includes a pair of cooperating different diameter pistons coaxially arranged and connected rigidly to one another by a central connecting member provided with spur gear section adaptable of receiving a meshing pinion assembled inside an elongated housing provided with a diffential diameter bore passing therethrough and adaptable of receiving inside a larger diameter section which is blind a larger piston while smaller diameter section which is provided with fluid supply and exhaust port means receives smaller diameter piston while said pinion entering said housing perpendicularly substantially central to the housing ends so as to rotate therein when pistons move linearly inside bore between a first normally atmospheric and a second energized positions in response to the working fluid pressure supplied via fluid supply and exhaust port means by way of a 3-way solenoid or pilot operated directional valve so as to allow energization of the small diameter pisto

Abstract: A drastically simplified directional solenoid valve with top fluid inlet and bottom fluid exhaust ports employs a conventional electrical bobbin coil with a solenoid iron conveniently secured thereto in line with a simplified axially movable solenoid plunger in an operable relationship with a simple seal at the exhaust port, preferably of O-ring configuration, between a first plunger engaged position inside the seal to maintain valve normally closed when the solenoid coil is not energized electrically and a second position with plunger retracted from the seat of the seal when the coil is electrically energized turning said iron into a magnet with pull force capable of lifting the plunger from the seat to render valve open to exhaust while the plunger is being held against the iron until the coil becomes de-energized at which time the plunger is automatically shifted back to the first valve closed position against the seat by either the drag forces fluid flow provides or by additional biasing force of a compre

Abstract: A pressure letdown valve includes a housing with a bore passing therethrough which may be tapered and adaptable of receiving internally a coaxial central tube with tapered outside diameter and also two concentric sets of circular baffles frictionally secured in place within the tapers in an interjacent relationship therebetween and so arranged as to provide an alternating valve and baffle structure with multitude of flow reversals fluid passing through the valve must complete with accomplished throttling of high pressure fluid entering valve bore via a fluid supply port located in the center to proceed by way of central tube into the region of peripherally spaced alternately attached baffles respectively sealing on said bore and said central tube for a large pressure reduction through a process of energy conversion when flowing over the plurality of such baffles to exit at substantially lower pressure via a fluid exhaust port including internal valving means and means for a modular baffle assembly and dis-ass

Abstract: A solenoid operated metering pump for displacement of exact amounts of fluid pumped by reciprocation of pumping piston incorporating integral check valve has an elongated valve housing with solenoid operator serving as pump actuating means attached to one housing end while the other housing end is adaptable to serve as the fluid pumping means including an appropriate housing bore passing therethrough and adaptable to receive a differential diameter piston assembly slidably movable therein to reciprocate when solenoid operator becomes electrically cycled inducing fluid flow through appropriate pump chamber created therein between piston and housing bore portion provided with fluid supply port having a detachable check valve with a simple floater for a directional flow control therethrough, means of piston actuation from a first position checking flow and discharge of the fluid delivered to the pump chamber to a second position discharging exact fluid quantity per each stroke of pump reciprocation, and means of

Abstract: Automatically Self-Reciprocating sequencing valve for use with pneumatic power cylinders/actuators in systems operated at frequencies of a few cycles to a few thousand cycles per minute comprises a valve housing with a central bore adaptable to receive a shuttle member that makes or breaks fluid communication between a fluid supply source and a receiver such as a power cylinder or an actuator of a positive displacement pump in response to fluid pressures acting over surfaces such shuttle member entails as controlled by appropriate slave valve housed alongside therein including fluid supply and exhaust ports entering and leaving said valve housing, and together with said slave valve allowing an automatic reciprocating-valve-operation for as long as the pressurized fluid is supplied thereto to result in self-reciprocating operator responsive to not only system pressures for cycle regulation but also to an externally provided biasing flow regulator for an easy control of cycle frequencies within the desired prac