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Patent No. 5996127

Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 417/339 - Nonrotary pumping and fluid motor working members


Subclass of Class 417 - Pumps
Definition: Apparatus in which the motor working members are motivated
No. of patents: 40
Last issue date: 01/01/2008


NumberTitleIssue Date
7314081Pumping from two levels of a pool of production fluid, and one way valve therefore
A method of pumping upper production fluid from an upper level of an underground pool of production fluid and pumping lower production fluid having a higher concentration of sand from a lower level during a single pump cycle comprises providing a dual action recipro...
01/01/2008
7309228Hydraulic pump system for a patty-forming apparatus
An improved hydraulic system is provided for a reciprocating mold plate, patty-forming apparatus wherein food product is delivered under pressure from a pump cylinder to mold plate cavities. The plunger is driven during a first phase by force from a hydraulic cylind...
12/18/2007
7287842Pressurizing pump device, liquid ejection apparatus and method of controlling pressurizing pump
In a printing apparatus of an off-carriage type, when a pump motor is rotated regularly for delivering pressurizing air to an ink cartridge, rotation thereof is converted into a linear reciprocating movement of a pressing member by a cam mechanism and a pressurizing...
10/30/2007
7287973Dough dividing machine
A dough divider comprises a machine housing (3); a dough collecting container (4) which is mounted on the machine housing (3), receiving dough that is to be metered; a dough delivery arrangement which is connected to the dough collecting contain...
10/30/2007
7287595Electric-hydraulic power unit
The present invention is directed to an electric-hydraulic power unit. In one illustrative embodiment, the power unit comprises a body having a movable pressure barrier positioned therein, the movable pressure barrier defining first and second chambers therein, a co...
10/30/2007
7257940Device and method for pumping a fluid
A method of pumping a fluid includes: providing a pressurizer for pressurizing the fluid, the pressurizer including at least two storage tanks, where, for each storage tank, the pressurizer includes a propellant entrance valve, a propellant exit valve, a pressurant ...
08/21/2007
7204264High pressure capillary micro-fluidic valve device and a method of fabricating same
A freeze-thaw valve and a method of micro-machining the freeze-thaw valve is provided and includes a valve housing, wherein the valve housing defines a housing cavity and includes a housing inlet, a housing vent, a capillary tubing inlet and a capillary tubing outle...
04/17/2007
7194853Pressurizer for a rocket engine
A pump for pressurizing a fluid includes an engine portion including a first pressure vessel, a first piston movable inside the first pressure vessel, at least two pressurant entrance valves connected to the first pressure vessel, and at least two pressurant exit va...
03/27/2007
7168464Dual-service system and method for compressing and dispensing natural gas and hydrogen
A dual service system and method for selectively compressing and dispensing methane, hydrogen, and variable mixtures of methane and hydrogen for use as a gaseous fuel. The use of an in-line gas density meter, hydraulic intensifier, pressurized gas cooler, optional i...
01/30/2007
7137450Electric-hydraulic power unit
The present invention is directed to an electric-hydraulic power unit. In one illustrative embodiment, the power unit comprises a body having a movable pressure barrier positioned therein, the movable pressure barrier defining first and second chambers therein, a co...
11/21/2006
7134499Rotary and reciprocal well pump system
A well pumping system has a downhole rotary pump that drives a downhole reciprocating pump. The reciprocating pump is an intensifier, having a primary piston and a secondary piston of lesser diameter. A sequencing valve connects between the discharge of the rotary p...
11/14/2006
7021909Oscillator for pneumatic pump having single valve
A pneumatic oscillator for providing pumping force to a pump. The oscillator has a single valve for controlling both the rate of oscillation of the oscillator and the flow of air. The valve includes a shuttle member and a detent mechanism. The detent mechanism contr...
04/04/2006
6994104Modular system for storing gas cylinders
The methods and apparatus for transporting compressed gas includes a gas storage system having a plurality of pipes connected by a manifold whereby the gas storage system is designed to operate in the range of the optimum compressibility factor for a given compositi...
02/07/2006
6467403Stuffing-dosing machine for pasty food products
The invention relates to a stuffing-dosing machine which comprises a container (1) which receives the food material and which is subjected to a vacuum (V), means for removing and impulsing the food material towards compaction-stuffing cavities, two altern...
10/22/2002
6174144Diaphragm piston pump
A diaphragm piston pump with n (at least two) pump chambers each defined by a diaphragm, for mounting on a drive mechanism with n pistons, wherein the pump head with the diaphragms, the pump chambers and with covers is placed on the drive mechanism. The p...
01/16/2001
5707217Pressure transfer modules
The invention comprises an improved pressure transfer module having, in one embodiment, two double-diaphragm pumps each having its diaphragms connected to one another by a respective drive shaft for reciprocating motion. Spool valve assemblies are mounted...
01/13/1998
5639218High pressure water pump system having a reserve booster pump
A superhigh pressure generator system is provided which comprises first, second and reserve boosters 1, 2, 3 which are respectively provided with a plunger chambers 4a, 4b, 4c within single rod-type oil hydraulic cylinders 7a, 7b, 7c on the plunger side a...
06/17/1997
5387089Method and apparatus for compressing gases with a liquid system
Method and apparatus for compressing gas. Two accumulators are alternately filled with gas from a gas-supplying conduit, and the gas is forced out of one end of the accumulators into a gas-receiving conduit by liquid forced into the other end of the accum...
02/07/1995
5252037Piston valved vertical pump for particulate materials
A piston pump for conveying fragile particulate food products without damaging the product. The pump includes a filler and a discharge conduit containing piston valves actuated by hydraulic cylinders. The pumping chamber in which the product is compressed...
10/12/1993
5169295Method and apparatus for compressing gases with a liquid system
Method and apparatus for compressing gas. Two accumulators are alternately filled with gas from a gas-supplying conduit, and the gas is forced out of one end of the accumulators into a gas-receiving conduit by liquid forced into the other end of the accum...
12/08/1992
5141408Product pumping apparatus
A dual piston alternately reciprocating pumping apparatus utilizing, in part, a pressure based precompression stroke to provide product at a substantially uniform discharge pressure. In operation, a first feed piston is advanced through a first feed cylin...
08/25/1992
5098260Position-servo device for positioning a stop in a positive displacement fuel injection system
An electro-hydraulic position-servo device to quickly and accurately position a stop element is provided for use with a positive displacement fuel injection system, wherein a shuttle is used to positively displace pre-metered slugs of fuel to unit injecto...
03/24/1992
5018949Diaphragm pump
The pump has several cylinders which are arranged in a row narrowly adjacent to one another and which accommodate the stroke working spaces of plungers or pistons. The stroke work of the pistons is hydraulically transmitted to diaphragms which close off p...
05/28/1991
4869653Compact twin piston pump
A compact, relatively low cost twin piston pump (20) especially adapted for the pumping of foods (e.g. juices, puddings or particulates such as stews and chilies) is provided which includes quick detach yoke and clevis assemblies (108, 124, 110, 126) conn...
09/26/1989
4844706Coating material supply device
A coating material supply device capable of accurately supplying even a highly viscous coating material such as a two-component coating material by a constant amount to a coating machine with no trouble, as well as with no requirement of individually disp...
07/04/1989
4552101Fluid pressure actuated motor with pneumatically-coupled pistons
A fluid pressure actuated motor assembly comprising a first fluid pressure actuated motor including a first reciprocating piston driven by a pressure differential across the first reciprocating piston, and a second fluid pressure actuated motor in communi...
11/12/1985
4533300High pressure pumping apparatus for semi-fluid material
Concrete is transmitted from a hopper forming a part of a mobile concrete pumping apparatus to the deposit site through a flow line having a Y-pipe inlet. The pumping apparatus includes two piston-cylinder concrete pumps mounted in side-by-side relationsh...
08/06/1985
4373873Hydrostatic and oil well pump
A pump (10) is provided for pumping a fluid (14) from a borehole (12). The pump includes first and second pumping strings (20, 22) extending into the borehole and a return string (50) extending out of the borehole and to a storage tank (18). An upstroke c...
02/15/1983
4334407Compressed gas operated turbine
The disclosure is of a system for operating a turbine without production of steam by compressing a gas, supplying the gas to the turbine, and returning the reduced pressure gas to the compressing means....
06/15/1982
4317647Dosing system
A dosing system for one or more fluent materials, such as the components of an epoxy resin, has a support carrying a lever to which are attached at different locations the piston rods of one or more independent master cylinders. Respective conduits connec...
03/02/1982
4273261Metering apparatus
Apparatus for metering material and transferring it from one location is provided. The new metering apparatus has several advantages over that disclosed in my U.S. Pat. No. 4,118,799. The apparatus includes a pair of cylinders with rams which are reciproc...
06/16/1981
4120160Power generation system
A power generation system having a low pressure source of water, means connected to the source of water for pressurizing the water to a substantially higher pressure, means for forming steam from the pressurized water, and a steam turbine for deriving mec...
10/17/1978
4103490Apparatus for harnessing tidal power
An apparatus for harnessing and extracting a portion of the power generated by the rise and fall of ocean tides. A tidal chamber is provided wherein the rise of the tide creates positive air pressure within the tidal chamber and the fall of the tide creat...
08/01/1978
4083186Apparatus and method for converting hydrostatic energy to electrical energy
Hydrostatic energy is converted to kinetic energy preferably for generating electricity by driving a fluid actuated motor connected to an electrical generator. Pumps are arranged in parallel for driving the motor, and are in turn actuated by engines drive...
04/11/1978
4076465Volumetric proportioning diluter
A reciprocating device for proportionating volumes of two distinct and different fluids within the same housing by a simultaneous fluid drawing from a supply source into the separate compartments provided inside an elongated housing of differential diamet...
02/28/1978
4047844Blood pumping system
A blood pumping system has a pair of integral flexible bodies each provided with an inlet and an outlet and disposed in open top cavities in a housing. The cavities have extensions holding inlet valves and outlet valves for opening and closing the inlets ...
09/13/1977
4004420Hydropneumatic pumping arrangement
A hydropneumatic pumping arrangement comprising at least two double-acting hydropneumatic force multipliers, pneumatic chambers of pneumatic cylinders of the multipliers communicating, through two two-position directional valves with an air source, and th...
01/25/1977
3981622Hydraulic intensifier control system
An intensifier unit includes a pair of sequentially operated reciprocating ram assemblies, each powered by a cylinder motor. Extension of the cylinder rods is accomplished by application of pressurized hydraulic fluid to the pistons. The pistons are retur...
09/21/1976
3938912Horizontal type hydrohoist
There is disclosed a horizontal type hydrohoist, in which slurry is forced to feed under lower pressure into feed pipes which are connected to a transport pipeline at their one ends and to a high pressure clear water pump at the others, said pump being ad...
02/17/1976
3932067Liquid chromatography apparatus and method
Apparatus used in the field of liquid chromatography. There is disclosed pump apparatus for continuously delivering a flow of carrier liquid either at a constant rate of flow or at a constant pressure. The pump apparatus includes a pair of differential-pi...
01/13/1976
 
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