Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4068486 | Automatic tunnel face hydraulic pressure controlling apparatus in shield type hydraulic tunnel boring system An apparatus for automatically controlling tunnel face hydraulic pressure in a hydraulic chamber defined by a rotary cutter head and bulkhead in a shield type excavator used in hydraulic tunnel boring system including a pipe for feeding a hydraulic materi... | 01/17/1978 |
| 4056330 | Method for adjusting the output of a pump provided with an adjustable spray cone with movable blades In a hydraulic pump and turbine system, the angular setting of the spray cone blades of the pump can be adjusted without any detrimental vibratory action during actual operation of the pump, this being obtained by closing, during said adjustment and witho... | 11/01/1977 |
| 4047832 | Fluid flow energy conversion systems Fluid flow energy conversion systems employing aerodynamic flow-separation vortex generation for focusing the kinetic energy of flow in the working area of the turbine are disclosed herein in the context of wind power plants. As a consequence of this augm... | 09/13/1977 |
| 4047831 | Method for reducing hydraulic turbine seal temperature while turbine runner is rotating in air A method is disclosed for admitting high pressure air to the seals of a hydraulic turbine runner which is rotating in a gas such as air. The high pressure air reduces the temperature of the seal and at the same time maintains a desired air pressure in the... | 09/13/1977 |
| 4046490 | Method and apparatus for antisurge protection of a dynamic compressor A method and apparatus for protecting a dynamic compressor from surge. The method includes a first step for providing a simultaneous control of a smaller relief means and a main control member of a dynamic compressor or the driver thereof for changing the... | 09/06/1977 |
| 4045144 | Wind energy concentrators The herein described horizontal and vertical wind energy concentrators are structurally simple and light and are capable of concentrating the wind energy at least six times with very high efficiency. This permits a corresponding reduction in the frontal a... | 08/30/1977 |
| 4039267 | Method and apparatus for starting a blower A method for starting a blower in the form of a single-stage radial fan installed in a pressure system such as the circulating cooling system of a turbogenerator in which the resistance of the pressure system is varying during the starting operation by me... | 08/02/1977 |
| 4030856 | Rotor with jet nozzles A method and apparatus for the generation of high velocity fluid jets by using a rotor with attached discharge passages and nozzles. A working fluid is accelerated by using a rotating rotor, either of the free vortex type or of the forced vortex type, and... | 06/21/1977 |
| 4027994 | Partially divided turbine housing for turbochargers and the like A 360° volute, radial inflow turbine housing has the housing chamber inlet and housing chamber with a radial divider extending circumferentially of the housing chamber for between approximately 180° and 300° dividing the housing chamber into axially ... | 06/07/1977 |
| 4027993 | Method and apparatus for compressing vaporous or gaseous fluids isothermally A gaseous fluid is combined with a liquid to form a transient foam for processing the fluid as by compression, expansion, condensation, heat exchange or chemical reaction.... | 06/07/1977 |
| 4014624 | Method and device for starting pump There is disclosed a method for starting a pump, wherein when a pump runner effects the idle running in a runner chamber which is filled with compressed air, a water-pumping-up starting instruction is given, then a drain valve is first closed according to... | 03/29/1977 |
| 4012912 | Turbine A method and apparatus for the generation of power wherein a working fluid is compressed within outward extending rotor passages, and then passed inward in other rotor passages with accompanying expansion and deceleration, with work being generated by the... | 03/22/1977 |
| 4008977 | Compressor bleed system Methods and apparatus for flowing cooling air from the compressor section to the turbine section of a gas turbine engine are disclosed. Cooling air from the compressor is flowed radially inward through the compressor drum cavity and thence axially rearwar... | 02/22/1977 |
| 4003671 | Method and means to prevent cavitation erosion in propeller ducts The invention relates to a method and a means to prevent cavitation and/or erosion in propeller ducts, and the invention is generally characterized in that air is supplied to the so-called "gap cavities" which are formed at the blade extremities or tips a... | 01/18/1977 |
| 3989407 | Wheel containment apparatus and method A cutter ring operable to sever the blades of a turbine wheel in a gas turbine engine upon failure of a thrust bearing carrying the wheel in the turbine. Severance occurs while the blades are within the confines of a containment ring to prevent fragments ... | 11/02/1976 |
| 3989406 | Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like This disclosure is concerned with novel rotor blade and similar foil designs that, by critical skewing of intermediate blade regions where the airflow is supersonic, prevents leading edge shocks and shock-related noise.... | 11/02/1976 |
| 3985464 | Spinning reserve device for a water-wheel A device whereby water leaking through the guide vanes while the water-wheel is in spinning reserve can be drained through leak drain pipes which open in the fixed member near the outer periphery of the runner.... | 10/12/1976 |
| 3984234 | Method and apparatus for circulating a molten media A method and apparatus for moving molten media such as molten metal or molten salt through a metal treating system utilizing a vaned disc immersed in the media and located in a cylindrical portion of an open-ended volute so as to provide above the disc a ... | 10/05/1976 |
| 3981702 | Heat exchanger A method and apparatus for transferring heat from a first fluid which is normally gaseous to a second fluid which is normally a liquid, by using a rotating rotor with passages for said first fluid extending from rotor center outward and with passages for ... | 09/21/1976 |
| 3980411 | Aerodynamic seal for a rotary machine A rotary machine, such as a gas turbine engine, capable of reliable operation with improved overall cycle efficiency is disclosed. Various construction details which aerodynamically isolate internal cavities of the machine from the flow path for the worki... | 09/14/1976 |
| 3977808 | Method and means for abruptly terminating the flow of fluid in closed circulating systems of nuclear reactor plants or the like A nuclear steam supply system wherein each of a plurality of centrifugal pumps begins to operate with full cavitation in response to an abrupt drop of system pressure in the event of leakage. This is achieved by influencing the net positive suction head o... | 08/31/1976 |
| 3972203 | Rotary heat exchanger A method and apparatus for transferring heat by employing a rotating centrifuge to compress a gaseous first fluid with accompanying temperature increase and then transferring heat from said first fluid in its compressed state to a second fluid being circu... | 08/03/1976 |
| 3964836 | Method of pumping liquid with a submerged rotary pump and pump for carrying out the method By pumping a liquid with a submerged rotary pump the distance from the submerged pump to the top of the riser pipe can be substantial and the liquid column left in the riser pipe from the pump constitutes a not insignificant residue. When the liquid level... | 06/22/1976 |
| 3963367 | Turbine surge detection system A system for detecting turbine compressor surge wherein a transducer produces a signal in response to discharge pressure fluctuations and depending upon the magnitude and frequency of the signals the compressor flow and pressure rise is regulated.... | 06/15/1976 |
| 3962888 | Heat exchanger A means for exchanging heat between two streams of a working fluid, during expansion and compression of said working fluid, thus providing heat removal from said working fluid either during expansion or compression and providing heat addition to said work... | 06/15/1976 |
| 3960463 | Method of starting operation for a pump or a pump turbine In a starting operation of a pump or a pump turbine with high head and large capacity, adjustable guide vanes are fully closed and compressed air is introduced within the runner casing to depress water around the runner. When the runner begins to rotate a... | 06/01/1976 |
| 3957389 | Pumping apparatus and process characterized by gentle operation Pumps wherein smooth surfaced rotators cause propulsion of a delicate fluid without significant damage to the fluid. The pumps may be used as heart pumps, blood pumps, and pumps for all types of fluids in connection with the maintenance of life or biologi... | 05/18/1976 |
| 3951565 | High suction inducer An inducer having a generally conical hub and a plurality of blades projecting substantially perpendicular to the axis of said hub; each of said blades being formed of alar configuration with the tip suction surface leading edges of said blades defining a... | 04/20/1976 |
| 3947146 | Removal of heat of compression To reduce the pressure drop of intercoolers and final coolers in a single or multi-stage gas compression, the compressed gas is cooled in direct heat exchange with a liquid cooling medium in a spray tower, for example, instead of by indirect contact in tu... | 03/30/1976 |
| 3946554 | Variable pitch turbofan engine and a method for operating same Variable geometry guide vanes are provided in a variable pitch turbofan assembly. A method is disclosed for reducing aerodynamically induced stresses in the variable pitch fan blades as the blades are changed between the forward and reverse pitch modes. T... | 03/30/1976 |
| 3945754 | Hydraulic machines and operating method thereof A hydraulic machine, such as a reversible pump-turbine, is provided with an automatic air vent valve disposed in the casing area and a conduit having a valve for providing direct fluid communication between the casing area and the draft tube, in addition ... | 03/23/1976 |
| 3944380 | Dirt extracting nozzle Disclosed is a method of and a nozzle for extracting dirt particles introduced into a radial inflow turbine.... | 03/16/1976 |
| 3940058 | Steam generating system including means for reinitiating the operation of a steam bound boiler feed pump An improved steam boiler system includes an automatic means for injecting cool water into a steam bound boiler feed pump. In a first embodiment a pressure sensitive check valve detects the drop of pressure in the steam bound pump and in response thereto d... | 02/24/1976 |
| 3937591 | Controlling a sludge flow The invention relates to a method for controlling a pumped sludge flow by throttling the suction side of the pump and to a device for use in the method. The device having an inner member with an outer member so fitted around it that the inner member and t... | 02/10/1976 |
| 3937034 | Gas compressor-expander A method and apparatus for compressing and expanding a fluid by passing said fluid through a rotating continuous flow centrifuge wherein said fluid is pressurized by centrifugal action on said fluid by said centrifuge rotor. Said rotor is provided with pa... | 02/10/1976 |
| 3933007 | Compressing centrifuge A method and apparatus for compressing fluid by passing said fluid through a rotating continuous flow centrifuge wherein said fluid is pressurized by centrifugal action on said fluid by said centrifuge rotor. Said rotor is provided with passageways for sa... | 01/20/1976 |
| 3933008 | Multistage heat exchanger A method and apparatus for transferring heat from a source at a lower temperature to a fluid at a higher temperature by employing a rotating centrifuge and a compressor to compress a gaseous first fluid with accompanying temperature increase and then tran... | 01/20/1976 |
| 3930742 | Velocity probe for compressor surge control A method and apparatus for sensing the velocity of a fluid flow, especially within the boundary layer of a fluid flow path through a compressor. A reference flow under constant pressure is established through an orifice dividing two plenum chambers, and d... | 01/06/1976 |
