Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8152707 | Bio cell cleaning centrifuge and bio cell cleaning rotor used in the same According to an aspect of the present invention, there is provided a bio cell cleaning centrifuge including: a motor; a rotor rotated by the motor; holders that are equipped on the rotor and that hold test tubes to be pivotable toward a rotational radial direction o... | 04/10/2012 |
| 7331918 | Centrifugal separator with safety features In a centrifugal separator, inside a housing opposed to a protector, a protruding member, which protrudes inside, is arranged at a position shifted from a shortest distance portion, the distance from the protector of which is the shortest, so that a spatial distance... | 02/19/2008 |
| 7255669 | Centrifuge with imbalance detector A centrifuge includes a frame, a damper connected to and supported on the frame for isolating vibrations, a drive unit connected to and supported by the damper, a swing-bucket rotor rotated by the drive unit, an accelerometer for detecting when part of the drive uni... | 08/14/2007 |
| 7195743 | Waste treatment Disclosed is a combination instrument steriliser (13, 210) and biomedical waste processor (15, 211). Both units are supplied steam from a common steam boiler (30, 212). In preferred embodiments, the waste processor utilises a shredder comprising... | 03/27/2007 |
| 7081081 | Bayonet coupling mechanism for a centrifuge A centrifuge having a motor shaft, a rotor that engages the motor shaft and a cover for securing the rotor to the rotor shaft. The cover has a knob with a coupling disposed therein. The coupling functions to simultaneously secure the rotor cover to the rotor body an... | 07/25/2006 |
| 7041044 | Rotatable machine or centrifuge with driving motors in a simple casing The rotatable machine (1) of the invention comprises a chamber (2) and a shaft (3), wherein the shaft (3) is mounted in the chamber (2) such that, upon rotation of the shaft (3) and the chamber (2), the shaft (3 | 05/09/2006 |
| 7033512 | Fluid separation devices, systems and/or methods using a centrifuge and roller pump A centrifugal fluid separation system is disclosed for centrifugally separating a composite fluid into components thereof. This centrifugal separation system includes at least a centrifugal rotor which has a composite fluid containment area, a fluid flow channel/tub... | 04/25/2006 |
| 7011618 | Attachment and release apparatus for a centrifuge rotor cover An attachment and release apparatus for attaching a rotor to a centrifuge drive assembly and for attaching a cover to the rotor. The apparatus includes a knob, a cover wherein the knob has a plunger disposed therein. The apparatus also includes an adapter having det... | 03/14/2006 |
| 6679820 | Method for energy management and overspeed protection of a centrifuge There is provided a method for limiting an operating speed of a rotor installed in a centrifuge system. The method includes the steps of (a) determining whether an actual change in energy required to accelerate the rotor from a first speed to a second spe... | 01/20/2004 |
| 6507161 | Centrifuge motor control The present invention overcomes the disadvantages of previously known motor controllers for centrifuge machines wherein a motor controller is provided for a centrifuge machine including a logic control module, one or more power cells, and one or more cont... | 01/14/2003 |
| 6368265 | Method and system for energy management and overspeed protection of a centrifuge A method for limiting an operating speed of a centrifuge rotor includes the steps of determining whether an actual parameter value of the rotor is within a predetermined range of an expected parameter value of the rotor, and limiting the operating speed w... | 04/09/2002 |
| 6155964 | Centrifuge drive system providing optimum performance The present conveyor system includes an external bowl with an internal screw conveyor of one or more flites which is rotated to cooperate with the bowl. The bowl and conveyor provides scrolling actions so that a mixed fluid introduced therein is segregate... | 12/05/2000 |
| 5885239 | Method for collecting red blood cells A rotor for collecting and centrifuging biological fluids in a range of volumes. The rotor includes an elastic impermeable diaphragm which defines at least a portion of a variable-volume processing chamber, where the fluid is centrifuged. The rotor includ... | 03/23/1999 |
| 5857955 | Centrifuge control system A system, method and computer program for controlling a centrifuge which receives a mixture of liquid and solid particles and separates the liquid from the solid particles. A bowl, along with a conveyor extending inside the bowl, are rotated at different ... | 01/12/1999 |
| 5714858 | Device for controlling and regulating the relative speed between rotary components interacting with one another respectively connected to the rotor and stator of an electric motor A device for controlling and regulating the relative speed between the scroll (4) and drum (2) of a centrifugal extractor, comprising a dc or ac electric motor (10), stator (10a) of which is made integral with drum (2) and rotor (10b) of which is made int... | 02/03/1998 |
| 5681256 | Screw decanter centrifuge having a speed-torque controller A screw decanter centrifuge including a cylindrical bowl rotatable in one direction, a main drive motor coupled to the bowl for rotatably driving the bowl, a screw conveyor which is disposed concentrically in the bowl and which is rotatable in the same di... | 10/28/1997 |
| 5649893 | Centrifugal apparatus having series-implemented protection means A centrifugal protection apparatus including: a rotor having markers connected to a motor responsive to drive signals; first and second detectors for detecting the marker upon rotation of the rotor and generating first and second detection signals respect... | 07/22/1997 |
| 5474515 | Method of discharging light-weight substances by abrupt change of rotational speed of a screw conveyor centrifuge component When a screw-conveyor centrifuge is turned off and its rotation speed diminishes to the point where the centrifugal force is smaller than the force of gravitation, the liquid ring formed inside the centrifuge bowl under the centrifugal force collapses, an... | 12/12/1995 |
| 5342279 | Decanter centrifuge having dual motor drive A decanter centrifuge is provided with a dual motor drive for purposes of start-up and efficient operation. The two motors are coupled together during, at least, the start-up of the centrifuge rotation so as to provide the desired power requirements and t... | 08/30/1994 |
| 4960406 | Centrifuge A centrifuge includes a drive which revolves a rotor whose speed is controlled by a sensor located on a mounting plate which is immovably fixed in a recess of a ring installed on the mounting surface of the drive casing. The ring has a hole accommodating ... | 10/02/1990 |
| 4827197 | Method and apparatus for overspeed protection for high speed centrifuges An apparatus and method of protecting a centrifuge from rotor overspeed and resultant mishap by computation of the rotor moment of inertia is disclosed. In the preferred embodiment, a centrifuge is driven by a rotor mounted on a shaft which shaft is in tu... | 05/02/1989 |
| 4753630 | Speed limiting arrangement for a centrifuge rotor mounted from the undersurface thereof A centrifuge rotor is characterized by a protrusion on the undersurface thereof which is received by a conjoinable pair of collar members. Each collar has a recess therein which cooperate to receive a drive spud from the rotor drive. A prestressed arrange... | 06/28/1988 |
| 4753631 | Speed limiting arrangement for a centrifuge rotor having an axial mounting bolt A centrifuge rotor is characterized by a pair of magnetically attractive segments which are located between a clamping knob on an axially extending mounting bolt and the body of the rotor. The bolt holds the rotor to a drive spindle with a predetermined c... | 06/28/1988 |
| 4668213 | Method and apparatus for controlling the differential speed between the centrifuge drum and the screw conveyor of a worm centrifuge A method and apparatus for controlling a worm centrifuge wherein the centrifuge drum is driven by a first hydraulic motor and the screw conveyor is driven by a second hydraulic motor and first and second valves are connected to control the flow of hydraul... | 05/26/1987 |
| 4551715 | Tachometer and rotor identification apparatus for centrifuges An apparatus for determining the actual speed and maximum safe speed of a centrifuge rotor. A single circular array of equally spaced coding elements of two clearly distinguishable types is attached to the rotor. A single detector responsive to the coding... | 11/05/1985 |
| 4515582 | Method of initiating an operation A method of initiating an operation in dependence on the combined mass of an element and matter which is in or on the element can be used to remove matter which has accumulated on the rotor of a centrifuge. A substantial change is effected in the speed of... | 05/07/1985 |
| 4450391 | Centrifuge protective circuits for preventing excessive speed of different rotor types A light emitting element and a photo detector are disposed opposite each other in an outer housing of a centrifuge. When an angle rotor is mounted on a motor shaft, light emitted from the light emitting element is received by the photo detector without be... | 05/22/1984 |
| 4432747 | Centrifugal separator control A method and mechanism for controlling the operation of a centrifugal separator having a relatively rotating drum and screw conveyor whereby the speed of each is measured and the torque for driving the screw is measured and the speed differential control ... | 02/21/1984 |
| 4417884 | Centrifuge timer clamp A timing and control mechanism for a centrifuge comprising a piston to which is attached a cam having cam surfaces which interact with flexible tubing to control the rate of flow through the tubing. The velocity of the piston in the centrifugal force fiel... | 11/29/1983 |
| 4369698 | Arrangement for separating fruits into fruit pulp, fruit skin and fruit core An arrangement for continuously separating fruits has a housing, a sieve element rotating in the housing and a hammer element rotating inside the sieve element, wherein the sieve element rotates with the speed which is lower than the speed of rotation of ... | 01/25/1983 |
| 4369915 | Method and apparatus for regulating the differential rpm of two rotating parts A method and apparatus for regulating the differential rpm of two rotating parts, such as the external drum and internal worm conveyor of a worm centrifuge, undertakes an electronic measurement and sampling of the rotational during the course of operation... | 01/25/1983 |
| 4303192 | Full jacket-worm centrifuge A full jacket-worm centrifuge is disclosed for continuous separation of water-sludge mixtures. The centrifuge has a cylindrical drum jacket with a conically tapered portion in a direction of a solid matter discharge. A worm conveyor having cylindrical and... | 12/01/1981 |
| 4295600 | Apparatus for the centrifugal separation of at least two liquid phases and one sedimentary phase of a mixture The apparatus comprises around a nozzle supplying the mixture to be treated, a rotating sealed enclosure wherein an annular partition separates two chambers communicating together via a peripheral passage, containing chiefly the separated heavy phase and ... | 10/20/1981 |
| 4241866 | Method of gently controlling braking of a centrifuge, and braking system To gently stop a centrifuge, particularly for use in blood transfusion procedures including plasmapheresis, a centrifuge motor is first braked by reverse current application with high braking torque, to reduce the speed thereof from operating speed to les... | 12/30/1980 |
| 4223829 | Cyclical centrifugal machine An improved cyclical centrifugal machine includes a rigid support mounted above the basket of the machine, a bearing housing suspended from the support for gyratory motion, a basket-carrying spindle rotatable in fixed position relative to the housing on b... | 09/23/1980 |
| 4201335 | Microtest plate carrier overspeed protection device A mechanical overspeed protection device incorporated in a microtest plate carrier used in a centrifuge rotor. A locking arm actuates into a blocking position on the microtest plates in the carrier to indicate that the carriers on the rotor have been subj... | 05/06/1980 |
| 4141488 | Centrifuge A centrifuge for separating liquid and solid materials, comprising an outer drum and an inner drum formed as a worm conveyor. Control means are provided for maintaining a set speed differential between the outer drum and the inner drum at a constant value... | 02/27/1979 |
| 4101070 | Centrifuge rotor coupling The invention relates to a modified bayonet type mounting for use in a centrifuge. The mounting is characterized by having the trailing wall of the socket inclined at an obtuse angle, whereby relative rotation of the drive shaft and rotor during start-up ... | 07/18/1978 |
| 4085888 | Process and apparatus for the treatment of suspensions A process and apparatus for continuous treatment of suspensions which include solid matter difficult to decant such as solid matter tending to plasticize under temperature and/or pressure loads, solid matter having a rheopexy behavior, and solid matter ha... | 04/25/1978 |
| 4073431 | Solid jacket worm centrifuge with rpm differential variable coupling between jacket part and worm part A solid shell screw conveyor centrifuge which includes a screw rotating at a differential speed with respect to the shell. One of the shell and screw is connected to a first hydraulic motor as a main drive assembly and to the other of the shell and screw ... | 02/14/1978 |
