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Self Containing Enclosure for Protection from Killer Bees
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| Number | Title | Issue Date |
| 4424832 | Pinch valve Various embodiments of pinch valves include an annular rib 5 formed on the inner walls of an elastic tube 4. The annular rib 5 is obliquely oriented in the elastic tube 4 and permits passage of fluid therethrough when the tube 4 is not deformed. Upon sele... | 01/10/1984 |
| 4413805 | Valve detent The invention is directed to a detent and a method for maintaining a valve body of a valve in a predetermined position. The valve has an outer housing and a valve body is slideably positioned in the outer housing. A raised diameter section is located on t... | 11/08/1983 |
| 4372527 | Blowout preventer A blowout preventer comprises a housing with a pair of opposed rams carrying sealing blocks for sealing against tubing extending through the housing. Openings in the front side of the housing provide access to the sealing blocks for changing the blocks an... | 02/08/1983 |
| 4370996 | Flow-controlled injector system A chemical injection system for automatically injecting chemicals into a fluid process line in direct proportion to the fluid flow. A fluid flow meter in the line operates a cam which in turn operates an air valve for pneumatically actuating a controller ... | 02/01/1983 |
| 4370997 | Pressure regulator and safety valve assembly A pressure regulator and safety valve assembly comprises pressure regulating means and safety valve means. The pressure regulating means is so coupled to the safety valve means that the pressure at which the safety valve means opens varies independence up... | 02/01/1983 |
| 4371027 | Economizer with an integral gas bypass A method and means for extracting heat from an exhaust stack under highly corrosive and fluctuating conditions. An in-line exhaust gas heat exchanger having selective dual concentric exhaust paths and having a plurality of longitudinal structural stringer... | 02/01/1983 |
| 4369951 | Squeezed tube valve In a squeezed tube valve which comprises a valve block with a longitudinal groove to guide a flexible tube and a transverse groove for an electromagnetically actuated clamping bolt to shut off the tube, the crossing between the longitudinal and the transv... | 01/25/1983 |
| 4369805 | Liquid metering injector assembly A liquid metering injector assembly for injecting metered quantities of a first liquid into respective metered quantities of a second liquid comprising a metering cylinder, metering ports formed at either end of the metering cylinder; a metering piston di... | 01/25/1983 |
| 4368751 | Valve This invention provides a valve by means of which a major portion of the suction flow of a swimming pool filtration system is channeled through an automatic cleaning device which cleans the floor and/or wall of a swimming pool, and a minor portion of the ... | 01/18/1983 |
| 4368756 | Check valve A guide for a poppet in a check valve includes an annular, cylindrical rim and a guide hub concentric therewith. At least one web extends radially from the guide hub to the rim. The outer periphery of the rim includes at least one projection defined at a ... | 01/18/1983 |
| 4366833 | Steam throttle valve The steam throttle valve has water injection ducts disposed about the valve axis. The ducts are situated between two abutting flanges of a valve cage and a valve spindle guide. The ducts are in the form of grooves in the flange while the adjacent peripher... | 01/04/1983 |
| 4366839 | Material processing apparatus A system for selectively dispensing and/or mixing or otherwise utilizing materials contained in respective storage tanks, including a material conveyance means, such as a pump, and a specialized selector valve programmably controllable to supply the mater... | 01/04/1983 |
| 4365645 | Three-way flow-regulating valve A three-way or three-ported flow-regulating valve for use in a hydraulic system comprises a two-position two-ported throttle valve inserted between an inflow conduit and an outflow conduit and a pressure-relief valve connected to the inflow conduit at an ... | 12/28/1982 |
| 4365646 | Valve assembly A valve assembly for use in a system carrying radioactive slurry. The valve assembly consists of a valve body with a bore, an inlet and an outlet port communicating with the bore; a valve member having a passage extending therethrough. The valve member is... | 12/28/1982 |
| 4363212 | Buoyancy prime mover A buoyancy prime mover that converts the potential energy of a gas buoyant within a liquid into rotating mechanical energy comprises a plurality of rigid or collapsible buckets joined by one or more chains with rotatable sprockets and shafts to form a con... | 12/14/1982 |
| 4362179 | Method and apparatus for controlling ink viscosity A system for controlling the viscosity of flexographic and gravure printing ink. The system includes a variable weight hydrometer which monitors the density of circulating printing ink. The hydrometer is in cooperative relationship with a supply of solven... | 12/07/1982 |
| 4361166 | Flow controlling apparatus for power steering, operating fluid A hydraulic fluid discharged from a pump is delivered to a power steering device from a supply passage through a restricted passage and a throttled passage so that as the flow through the supply passage increases in response to an increase in the number o... | 11/30/1982 |
| 4357797 | Unified action hydrocentrifugal machines A hydrocentrifugal machine is disclosed in which the rotor is a vortex-expeller rotor defining two generally spiral-shaped vortex-expeller passages and a hydraulic induction coil comprising a helical, inwardly-opening channel is affixed to the inner face ... | 11/09/1982 |
| 4357959 | Back flow valve A back flow valve comprising a housing having an inlet and an outlet and a tube mounted in the housing and having an open end communicating with the inlet in said housing. The tube has the other end thereof closed and has a plurality of circumferentially ... | 11/09/1982 |
| 4357954 | Backflow preventing valve construction An improved check valve for a backflow preventing valve of the type having an inlet passage, an intermediate chamber, and an outlet passage, includes a stationary valve port fluidly communicating with the intermediate chamber, a movable contoured valve se... | 11/09/1982 |
| 4358085 | Keying means for segmented end ring blowout preventer An improvement in blowout preventer apparatus of the type having a radially compressible annular packing mounted within a housing chamber, the housing having axially aligned upper and lower conical bores communicating with an inner bore of the annular pac... | 11/09/1982 |
| 4358086 | Butterfly valve A butterfly valve includes a gasket on the pivotable member which has a peripheral ring portion and two end rings which are concentric to the shaft supporting the pivotable member, each end ring having a flange held under spring pressure between the pivot... | 11/09/1982 |
| 4355653 | Vented check valve The present invention describes a vented check valve for use with post-mix carbonators. The vented check valve is a fail safe device which will vent carbon dioxide or carbonated water to the atmosphere when a back flow condition occurs. The vented check v... | 10/26/1982 |
| 4355783 | Flow control device An improvement in a flow control device for permitting fine adjustment of flow rates of fluid in tubing and maintaining established rates of flow. The device includes a clamping member pivotally mounted adjacent a clamping surface and a tubing-engaging su... | 10/26/1982 |
| 4354660 | In-line flow control clamp A fluid flow control clamp for in-line insertion on flexible fluid tubing is disclosed. A flow-directing member (10) is positioned intermediate a source of sterilized water or other fluid and a medical humidifier. A blocking element (20) is provided withi... | 10/19/1982 |
| 4354664 | Fail-safe valve The valve of U.S. Pat. No. 3,774,877 in which have valve operating pistons are mounted in a tubular sleeve received in a bore in a two part valve body, one part containing the connection for P1 and the other part containing the connection for P2 and the v... | 10/19/1982 |
| 4354518 | Diaphragm piston operated valve device A diaphragm type valve device comprising a housing having a pair of valve chambers separated by a diaphragm piston and connected to respective fluid pressure input ports, oppositely disposed valve seats fixed in the housing in facing relation to each side... | 10/19/1982 |
| 4354665 | Valve for opening and closing a fluid conduit A valve for opening and closing a fluid conduit of the type having a generally wide cross-section, the conduit having a transverse slit therein to allow for movement of a shut-off member into and out of registration therewith. The shut-off member has a sp... | 10/19/1982 |
| 4354352 | Catalytic coating to directly generate heat upon the surface of a heat dome The use of a catalytic coating which acts to combine both the heat source and heat-transfer mechanism for a working fluid, such as that used in an external combustion engine. Maximum heat exchange is accomplished by the direct bonding of the coating, per ... | 10/19/1982 |
| 4353386 | Sequencing valve An improved flow sequencing and check valve which delivers a single source of fluid to a plurality of outlets. The improvement includes a generally cup-shaped portion which never disengages with the entrance port as it moves the sequencing disc closed in ... | 10/12/1982 |
| 4353525 | Rotary valve seal A rotary valve has a fluid seal ring which is loosely captured within a valve body and provides a fluid seal at a peripheral edge of a movable member selectively positionable in a fluid conduit. The seal ring has an annular coaxial recess located on an in... | 10/12/1982 |
| 4352377 | Compressor discharge valve A discharge valve assembly for a compressor includes a valve plate having a pair of projecting guideposts. A discharge port is located in said valve plate closer to one of the posts than the other post and a stop member is mounted on the guidepost to defi... | 10/05/1982 |
| 4351511 | Sealing gasket for an obturator such as a ventilation regulator The invention concerns a sealing gasket comprising a housing defining a central concavity bordered by two lateral wings, an elastic support housed in the said concavity, a covering presenting a good resistance to wear and a coefficient of low friction whi... | 09/28/1982 |
| 4348864 | Tank assembly for hydraulic system A tank assembly for a hydraulic system including a hydraulic load device and a transmission. The tank assembly comprises a tank, a weir mounted on the bottom wall of the tank, which weir functions as a partition wall for dividing the inside of the tank in... | 09/14/1982 |
| 4347701 | Power system for land vehicles A method of converting steam pressure from a boiler into a constant pressure hydraulic fluid working media and system for efficiently utilizing the hydraulically stored energy in a land vehicle or the like. A reciprocating steam piston actuates one or mor... | 09/07/1982 |
| 4348006 | Plastic valve assembly A molded polyethylene valve body has a conduit portion and an annular portion extending upwardly from the conduit portion. A passageway extends through the conduit portion for the conveyance of fluid. A valve seat is formed in the conduit portion by a met... | 09/07/1982 |
| 4346727 | Apparatus for measuring the amount of fluid supplied by a fluid supply device Apparatus for measuring the amount of fuel supplied by a fluid supply device wherein a throttle element is inserted in a supply line to a supply device having an apportioning cross-section wherein a constant pressure differential is maintained by means of... | 08/31/1982 |
| 4346869 | Tube clamp A pair of elongated jaw members are provided and interconnected at one pair of corresponding ends in generally parallel relation through the utilization of an open loop member having opposite ends formed integrally with the adjacent jaw member ends. The j... | 08/31/1982 |
| 4346730 | Valve for abrasive material A ball valve assembly for controlling the flow of abrasive particulates including an enlarged section at the bore inlet and an enlarged section at the bore outlet. A refractory ceramic annular deflector is positioned in each of the enlarged sections, subs... | 08/31/1982 |
| 4345612 | Anesthetic gas control apparatus An apparatus for supplying a mixture of oxygen and an anesthetic gas at a predetermined flow rate and mixture ratio. The flow rate and mixture ratio are controlled by means of electrically operated throttle valves, responsive to output signals from an ele... | 08/24/1982 |
