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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| Number | Title | Issue Date |
| 7726124 | Blast simulator with high velocity actuator A high velocity actuator, which may be used as a blast simulator, is provided with an actuator cylinder tube having an opening at first and second cylinder ends, and an actuator piston rod slidably mounted within the actuator cylinder tube and extending through the ... | 06/01/2010 |
| 7356990 | Electro hydraulic actuator with spring energized accumulators An electro hydraulic actuator with built-in fail safes is provided. Multiple accumulators are integrated into the actuator to improve reliability and redundancy. One or more accumulators can fail and the remaining accumulators provide sufficient energy to move the a... | 04/15/2008 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy... | 03/04/2008 |
| 7318489 | Hydraulic motor arrangement and method of operating a hydraulic motor A hydraulic motor for use in subterranean drilling operations in which a drive fluid within a first reservoir is forced through the motor by a high pressure working fluid, such as drilling mud, the drive fluid entering a second reservoir upon exiting the motor. Upon... | 01/15/2008 |
| 7315089 | Powertrain system comprising compressed air engine and method comprising same A powertrain system comprises a compressed air supply apparatus, a compressed air engine, a rotary power conversion apparatus and an electrical power conversion apparatus. The compressed air engine is configured for extracting energy from compressed air. The compres... | 01/01/2008 |
| 7314347 | Pressurized fluid bladeless turbine engine with opposing fluid intake assemblies A bladeless pressurized fluid turbine engine having a bladeless turbine, internal, concentric or circumferential shaft fluid ways which transmit pressurized gas to the turbine, and a pair of opposing pressurized fluid intake assemblies. Each intake assembly has a fi... | 01/01/2008 |
| 7269944 | Hydraulic system for recovering potential energy A hydraulic system may include a hydraulic actuator. The hydraulic system may also include a pump having a pump inlet and a pump outlet, and the pump may be configured to supply fluid to the hydraulic actuator. The hydraulic system may further include an energy reco... | 09/18/2007 |
| 7179390 | Method of filtering a fluid and remote filtering station Filtering of an operating fluid of a mechanical device is performed utilizing a pumping device of the mechanical device which routinely circulated the operating fluid within the mechanical device. A remote filtering station of the present invention has a first condu... | 02/20/2007 |
| 7172040 | Riding type mower A work vehicle comprises: a plurality of wheels; a vehicle body supported by the wheels; a transmission case provided on the vehicle body, the transmission case having a first case portion and a second case portion and a middle portion extending between respective l... | 02/06/2007 |
| 7117683 | Main engine electric start system A main engine electric start system for gas turbine propelled aircraft that employs a low-power AC electrical power system to serve as an independent grid to control the functions of induction-type dynamoelectric machines coupled to the main propulsion engines and A... | 10/10/2006 |
| 7107766 | Hydraulic pressurization system The present invention relates to a hydraulic pressurization system, in particular for application to pressurization devices operating in accordance with the high hydrostatic pressure principle. In particular, the present invention provides a pressurization system fo... | 09/19/2006 |
| 7104072 | Combined power main engine start system A starting system for starting the propulsion engines of gas turbine powered aircraft that combines power sources delivered by the APU so that essentially then entire power delivered by the APU for pneumatic, hydraulic and electric power is applied to corresponding ... | 09/12/2006 |
| 7076946 | Hydraulic kicker control piston A pump-motor unit (35) including a swashplate (95) having a neutral position (FIG. 3) and first and second displaced positions and comprising first (87) and second (89) pressure actuators associated with the swashplate. Displacemen... | 07/18/2006 |
| 7063167 | Self leveling towed implement An implement has a tongue used to tow the implement that can be raised or lowered with respect to the rest of the implement. The tongue is raised or lowered by a hydraulic cylinder. The raising and lowering ports of the cylinder are connected to two hydraulic accumu... | 06/20/2006 |
| 7059127 | Hydro-pneumatic spring support arrangement A hydro-pneumatic spring support arrangement, particularly for a vehicle axle with at least one hydraulic spring support cylinder arranged between vehicle chassis and vehicle axle, having a cylinder chamber and a rod end chamber each connected with at least one pres... | 06/13/2006 |
| 7028934 | Vertical roller mill with improved hydro-pneumatic loading system An accumulator assembly comprising at least two accumulators that are hydraulically interconnected to the same source of hydraulic fluid. Each accumulator containing an energy absorbing medium which is compressible when a movable barrier which separates the hydrauli... | 04/18/2006 |
| 7007465 | Mobile handling device The present invention relates to a mobile handling device with a hydraulic circuit, which hydraulic circuit (L) comprises a lifting cylinder (1) arranged in a lifting device (100) suitable for handling a variable load and an accumulator (6) for ... | 03/07/2006 |
| 6997674 | Pressurized fluid turbine engine A bladeless pressurized fluid turbine engine having a bladeless turbine, internal, concentric or circumferential shaft fluid ways which transmit pressurized gas to the turbine, and a pressurized fluid intake assembly. The intake assembly has a fixed outer housing, t... | 02/14/2006 |
| 6986499 | Valve, actuator and control system therefor A valve, actuator and control system that allows minimizing the size of the actuator and operation of the control system in a manual mode that automatically prevents accidental operation by pipeline pressure is disclosed. The actuator uses gas pressure from the pipe... | 01/17/2006 |
| 6959546 | Method and apparatus for energy generation utilizing temperature fluctuation-induced fluid pressure differentials A method and apparatus for producing energy is provided for generating renewable energy. Captive compressed fluid cycles between two coupled containers through a motive power source. The captive compressed fluid flows between the containers in response to a differen... | 11/01/2005 |
| 6938413 | Hydraulic control arrangement There is disclosed a hydraulic control arrangement for damping driving vibrations of a mobile machine, comprising a lifting cylinder supporting a working tool whose cylinder chambers can be connected to a fluid source or a tank via a control valve arrangement. The h... | 09/06/2005 |
| 6804957 | Mobile handling device The present invention relates to a mobile handling device with a hydraulic circuit, which hydraulic circuit (L) comprises a lifting cylinder (1) arranged in a lifting device (100) suitable for handling a variable load and an accumulator (6) for ... | 10/19/2004 |
| 6647719 | Hydraulic oscillator as a drive of machines The invention proposes a novel drive with electrical power control for machines which have to execute cyclic movements with high accelerations. An electric motor drives a pump which, in turn, is connected directly to a cylinder. This arrangement has added... | 11/18/2003 |
| 6584769 | Mobile working machine A hydraulic circuit for a mobile handling device includes a lifting cylinder suitable for handling a variable load and an accumulator for recovering or recycling lowering load energy. The hydraulic circuit also includes a variable hydraulic machine, drive... | 07/01/2003 |
| 6418970 | Accumulator apparatus, system and method A pressure accumulator apparatus is disclosed for use in offshore drilling and production which comprises a pressure vessel (30) having a first compartment (34) and a second compartment (38), a partition (32) between the first compartment and the second c... | 07/16/2002 |
| 6363719 | Hydraulic control unit for a motor vehicle braking system A hydraulic control unit for a motor-vehicle braking system includes a pump (32) delivering hydraulic fluid under pressure, the pump being capable of being controlled by an electronic control unit (ECU) and supplying the hydraulic fluid for at least one b... | 04/02/2002 |
| 6223529 | Hydraulic system with a hydromotor fed by a hydraulic transformer A hydraulic system includes a hydraulic transformer with a rotor which is coupled with the hydromotor. The hydromotor may be subjected to a variable load which has to be moved in different directions. By using various switching means, the combination hydr... | 05/01/2001 |
| 6167701 | Variable rate ride control A variable rate ride control is disclosed and adapted to control the ride of a machine having varying load conditions. The variable rate ride control system includes an accumulator arrangement selectively connectable to an actuator arrangement of the mach... | 01/02/2001 |
| 6125938 | Control module system for subterranean well A control module system provides convenient and economical operation of downhole tools, which operation is controllable from a remote location. In a described embodiment, a control module system includes a control circuit configured to control selective o... | 10/03/2000 |
| 6094910 | Apparatus and method for raising and lowering a piston in a piston cylinder arrangement in a derrick Disclosed is an apparatus for a derrick, including hydraulic piston/cylinder arrangements for raising and lowering a yoke travelling on guide rails attached to the derrick. A hydraulic system having different modes of operation is provided for the operati... | 08/01/2000 |
| 6082108 | Hydrostatic drive control device A device for controlling a hydrostatic drive (1) having a resonator (2) which is connected on the one hand to the hydrostatic drive (1) and on the other hand to a pressurized-fluid supply line (4) and to a return line (5), and having a periodically actuat... | 07/04/2000 |
| 6073441 | Single acting pneumatic piston-cylinder unit A pneumatic piston-cylinder apparatus of single acting type which performs a working stroke in one working direction, and is returned to its initial position without any external supply of compressed air comprising a cylinder part with cylinder jacket (1)... | 06/13/2000 |
| 5632146 | Load shaping compressed air system This invention is a load shaping system which increases the energy efficiency of a compressed air system by eliminating activation of a trim compressor in response to a momentary increase in demand for compressed air. The load shaping system includes a lo... | 05/27/1997 |
| 5586435 | Hydraulic closed loop control system A closed loop hydraulic system especially adapted as a shot control system for a die casting machine. The control system includes a voice coil driven pilot servo valve mounted to a high flow proportional valve. The control system provides a highly control... | 12/24/1996 |
| 5553454 | Compressed air engine system and method for generating electrical energy from the controlled release of compressed air A system and method is provided for generating electrical energy by operatively connecting a generator to a drive shaft which is rotated axially when fan turbines connected to the drive shaft are rotated. The turbines are rotated by directing the release ... | 09/10/1996 |
| 5507144 | Lightweight, safe hydraulic power system and a method of operation thereof A hydraulic accumulator system alternately stores energy in the form of gas pressure and converts the stored energy into work by gas expansion. The hydraulic accumulator system, by connection to drive wheels of a vehicle, can serve as a hydropneumatic pow... | 04/16/1996 |
| 5461858 | Method of producing hydroelectric power A process of converting steam to hydro-electric power through a process of allowing steam to displace water from a tank for operating a turbine or pelton wheel. The tank includes a lightweight float of a small enough size to prevent the steam from mixing ... | 10/31/1995 |
| 5460239 | Air compressor based vehicle drive system A vehicle drive system fueled by a source of compressed air includes a main air motor connected with and adapted to drive a vehicle wheel, a combined rotatable flywheel-impeller assembly acting in turbine fashion during a charge-up phase to spin-up with c... | 10/24/1995 |
| 5438829 | Air compression system having two separate compressed air accumulators An air compression system for supplying a compressed air into a pneumatically operated tool. The system includes an air compressor and air accumulator connected to the compressor and having a first accumulator and a second accumulators separate therefrom.... | 08/08/1995 |
| 5417064 | Apparatus for supplying hydraulic fluid to a hydraulic actuator Apparatus for supplying hydraulic fluid to a hydraulic actuator, which apparatus has a delivery duct, a return duct, a pressure accumulator for the delivery duct and a hydraulic accumulator or reservoir for the return duct in which the delivery duct and t... | 05/23/1995 |