Abstract:
The modular gas cylinder storage system of the present invention includes several gas cylinder holding devices which are incorporated into an overall cylinder holding system which holds different-sized cylinders. It includes a rack structure that is modular and designed to hold large tanks. A plurality of smaller cylinders are held in several differing basket configurations which basket configurations are formed to mate with the modular rack structure. Barriers for dividing cylinders holding incompatible chemicals are held in place by brackets attaching the barriers to the rack structure. Secure fastening of large cylinders is achieved utilizing a gas cylinder gas storage bracket which is bolted to other structural members having a concave face which mates with the curved surface of the gas cylinder. A flexible strap with an adjustabe buckle passes through the bracket and around the cylinder for a tight, secure engagement of the cylinder within the bracket.
Abstract:
A protective apparatus for compressed gas cylinders which preferably includes a molded thermoplastic cylindrical sleeve having a raised shoulder region on its two ends. Each shoulder region of the sleeve is provided with an external thread for engaging a closure cap. The closure caps are likewise molded thermoplastic cylinders having one end wall and thread engaging means on the internal circumference of their open ends. The top closure cap is preferably provided with a carrying handle. One end of the cylindrical sleeve is provided with an end wall having an opening which permits the passage of a compressed gas cylinder valve but inhibits the passage of a compressed gas cylinder.
Abstract:
An infrared detector assembly (10) of the type used in munitions and night vision systems having an improved coldfinger assembly (42). Such detector assemblies (10) include a tubular coldfinger (22) which is surrounded by a vacuum and an end-cap (28) mounted to the coldfinger tube (22) to define a cold end (24) which supports the infrared detector array (30) and related components. In accordance with this invention, the coldfinger tube (22) is a thin-walled titanium cylinder and the end-cap (28) is made of tungsten. The components are metallurgically bonded at the cold end (24) by an active brazing alloy deposited during vacuum furnace brazing. The titanium coldfinger (22) provides the necessary bending stiffness to support cold end components. The tungsten end-cap (28) provides a low distortion, thermally stable focal-plane. The metallurgical bond (46) provides for a hermetic seal which inhibits structural distortion during brazing, and during cyclical cooling of the detector assembly (10).
Abstract:
Liquid cryogen is added to a container of particulate material (e.g. powder, flakes or granules) immediately before the container is capped as part of a process for pressurizing the container. A liquid cryogen retainer is positioned within the unsealed container above the particulate material, and the flow of liquid cryogen is directed to the retainer to substantially prevent eruption from the container of the particulate material, which may otherwise result when the liquid nitrogen penetrates the particulate material and causes the particulate material to erupt, with an unacceptable loss of the particulate material and of the liquid cryogen.
Abstract:
A propane tank safety carrier is provided and consists of a box-like housing with a hinged cover that will snuggly hold the propane tank in an upright protective position during transportation.
Abstract:
A storage and access apparatus (10) is provided for containing and supporting elongated cylindrical objects, particularly industrial gas cylinders (13). The apparatus (10) operates on a principal similar to that of a lazy susan and includes a rotatable carousel (16) radially bounded by a stationary support frame (14). The entire apparatus (10) is supported on a base plate (18) which may be fixed to a specific location or carried on a rolling dolly (5120). The support frame (14) includes a base ring (20) for preventing radially outward slippage of the bottoms of the gas cylinders (13) and an upper support ring (30) mounted on support posts (26) for arresting the fall of a cylinder (13). The upper support ring (30) includes a gate member (34) for selectively closing a front gap (32) through which the cylinders (13) may be installed and removed. The rotating carousel (16) includes a center pillar (44) supporting a bottom plate (50) upon which the cylinders (13) are carried in a radial array of discrete chambers (52). Each chamber (52) is open on its radially outward side and includes vertical panels (56, 58 and 60) to provide lateral support. A corresponding array of receiving niches (78), closable by enclosing straps (88), laterally supports the upper portions of the cylinders (13). The carousel (16) rotates about a vertical axis (12) on a rotational support bearing (74) and upon peripheral rollers (64) attached to the bottom plate (50). A ratchet latch mechanism (66) is provided to permit the carousel (16) to rotate only in a single direction. An alternate embodiment (510), intended for use with shorter cylinders, includes both a bottom tier (5112) and a top tier (5114). The apparatus (10) and double tiered apparatus (510) are especially adapted for use in industrial applications using compressed gases.
Abstract:
Containers for storing fluids, especially carbon dioxide, under pressure comprise a tubular component (made of a deformable material capable of at least 7% elongation before fracture) which is preferably closed by a top plug with a filling/emptying device (and any end plug) by crimping open end(s) of the component over a circumferential shoulder on the plug(s). A primary pressure relief device comprising a poppet with a piston section, a return spring and a control (exit) orifice tolerates and ejects dirt, prevents the formation of solid phase material and vents the contents in brief spurts so as to minimize loss. Desirably, a narrow helical conduit connects the primary pressure relief device to the container interior and, by being in thermal contact with the tubular component, chills the contents during venting so as to minimize loss. One or more secondary pressure relief devices, such as bursting discs, may also be incorporated to vent substantially the whole contents in the event that the primary pressure relief device fails to maintain the internal pressure below a safe predetermined level. The construction allows the fitting of alternative adaptor assemblies for various uses and lends itself to automatic assembly. The use of a heat storage substance is also disclosed.
Abstract:
A gas spring with a piston rod slidably received in a cylinder which defines a chamber in which a gas is compressed when the rod is forced into the cylinder. The gas spring can be operated with either an external source of gas or as a precharged and self-contained unit by changing first and second valves assemblies either of which can be installed in the same cavity in the cylinder. If desired, a check valve can control the bleeding of gas under pressure in the cylinder back to the entrance of the cavity containing one of the valve assemblies through which the cylinder is filled with gas.
Abstract:
A tank mount and carrier comprises a holder in the form of a cradle for receiving the tank and having outward extending legs for stable support of the tank, a band at each end of the crable extends around the tank to attach it to the mount, with a pair of flexible straps extending along each side and for coming together above the tank for attachment and for forming a handle for carrying the tank.
Abstract:
A liquid cryogen dewar is constructed in which two or more liquid cryogen chambers are suspended within a case wherein the innermost cryogens have a higher boiling, or sublimation, temperature than the cryogen in the next outermost chamber. The chambers may contain liquid helium, liquid nitrogen and solid CO.sub.2 proceeding from the innermost to the outermost chamber. Superconducting electronic circuitry such as SQUID devices may be connected to the outer case of the liquid helium cryogen chamber. An isothermal shield is also suspended outside the helium chamber. The elements of the dewar are supported by glass epoxy rods and polyester cords of low thermal conductivity. A fill and exhaust port is provided which communicates with fill and exhaust tubes that are heat sunk to various locations of the rods and the Dacron cords.