Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7372219 | Belt driven centrifugal separator with multi-stage, belt deterioration alerting display In a centrifugal separator of the type in which driving power of a motor is transmitted to a rotor via a power transmission mechanism, such as a belt, a motor-rotation signal frequency fm and a rotor-rotation signal frequency fr are computed, on the basis of which a... | 05/13/2008 |
| 7144360 | Centrifugal separator with a separate strip insert mounted in the bowl A centrifuge concentrator bowl includes a plurality of fluidized recesses at axially spaced positions along the peripheral wall. Each recess is defined by two side walls which has water injection holes for fluidizing materials collecting in the recess. Some of the r... | 12/05/2006 |
| 7109619 | Damper support assembly for a supercritical drive shaft A support system, a bracket assembly, and a damping member for use in supporting a rotating shaft. A support system including a fixed bracket; a bracket assembly; and a bearing. The bracket assembly having a first damping member having a first fixed end and a second... | 09/19/2006 |
| 6997859 | Centrifugal separator with fluid injection openings formed in a separate strip insert A centrifuge concentrator bowl includes a plurality of fluidized recesses at axially spaced positions along the peripheral wall. Each recess is defined by two side walls converging toward a base which has water injection holes for fluidizing materials collecting in ... | 02/14/2006 |
| 6962560 | Continuous centrifugal separation of slurry using balls contained in a recess of a bowl A centrifuge bowl for separating heavier particles from lighter particles and water comprises a first conical bowl wall leading to a pair of annular recesses at actually spaced positions. Each recess is generally V-shaped with an upper side wall, a lower side wall a... | 11/08/2005 |
| 6318562 | Filtering centrifuge with cake heel removal mechanism A filtering centrifuge includes a case, a perforated filter basket disposed for rotation in the case, filter media disposed along an inner surface of the filter basket, and a cake removal mechanism at least partially disposed in the case outside of the fi... | 11/20/2001 |
| 6063298 | Filtering centrifuge with cake heel removal mechanism and associated method A filtering centrifuge includes a case, a perforated filter basket disposed for rotation in the case, filter media disposed along an inner surface of the filter basket, and a cake removal mechanism at least partially disposed in the case outside of the fi... | 05/16/2000 |
| 5988398 | Invertable filter centrifuge An invertable filter centrifuge for separating liquid-solids mixtures comprises a rotatingly driven centrifugal drum, an invertable filter cloth arranged on the centrifugal drum, a filtrate housing for receiving and discharging the liquid filtrate separat... | 11/23/1999 |
| 5676835 | Horizontal vibratory centrifuge A horizontal screen separator of the present invention includes a base having a housing mounted thereon which contains an horizontal screen basket for receiving product to be dried. The basket is rotatably and vibrationally driven to dry the product. The ... | 10/14/1997 |
| 5630938 | Evertable drum centrifuge filter An evertable drum centrifuge has a housing extending along an axis, a hollow filter drum rotatable in the housing about the axis and having a front end wall formed with a fill opening centered on the axis, and a nonrotatable fill tube extending along the ... | 05/20/1997 |
| 5618423 | On-the-fly long-running rotary filtration screen device The present invention concerns an on-the-fly long-running rotary filtration screen device, wherein a split-flow bar and a filtration sleeve are screwed together to form a filtration bar, a filtration screen is inserted onto the cylinder on the filtration ... | 04/08/1997 |
| 5582726 | Filter centrifuge A filter centrifuge has the drum, the drum shaft and its bearings mounted in a movable machine support, carriage or bearing member which rides on a rail of the base machine support or frame so that with a cover for an opening in the rear wall on which the... | 12/10/1996 |
| 5547573 | Device for removing cake or residual layer in a centrifuge The device comprises a first wide-mesh cloth or screen which bears against the calender of a basket, at least one tight supple tube connected to a source of gas under pressure which is against the first cloth or screen, a second cloth or screen identical ... | 08/20/1996 |
| 5472602 | Evertable drum centrifuge filter An evertable drum centrifuge has a drum with a generally cylindrical and perforate outer wall and having an axially forwardly open front end. An end wall of the drum can move axially between a closed position fitting in the front outer-wall end and an ope... | 12/05/1995 |
| 5421997 | Sleeve filter centrifuge A sleeve filter centrifuge comprises between the closed end wall of a centrifugal drum and a base portion movable relative to this end wall a flexible, extendible dividing wall, for example in the form of a bellows or a folded membrane. This dividing wall... | 06/06/1995 |
| 5306423 | Discontinuously operating filter centrifuge with noninverting filter bag A discontinuously operated filter centrifuge has its noninverting filter bag attached only to the filter bottom which is displaceable out of the filter drum, so that when the filter bag is displaced out of the filter drum, a clearance is provided between ... | 04/26/1994 |
| 5286378 | Sleeve filter centrifuge A sleeve filter centrifuge comprising a drum rotatably mounted in a housing and having radial filtrate passages, an invertable filter cloth covering the filtrate passages, a cover closing one end face of the drum, a feed opening for the suspension to be f... | 02/15/1994 |
| 5277804 | Sleeve filter centrifuge A sleeve filter centrifuge comprises a drum with radial filtrate passages (12) which is rotatably mounted in a housing (1), a sleeve filter cloth (15) which covers the filtrate passages, a lid (18) which closes the front of the drum and has a filling open... | 01/11/1994 |
| 5004540 | Invertible filter-type centrifuge with improved bearing and seal assembly An invertable filter centrifuge having a housing defining a centrifuge chamber with a perforated drum mounted in said chamber on the front end of a hollow shaft which is rotatably mounted at the front end by a front bearing assembly and slideably mounted ... | 04/02/1991 |
| 4944874 | Centrifugal separator A centrifugal filter separator includes a detachable tubular screen disposed between an annular filter and the inner peripheral surface of a basket, the screen having an annular flange detachably connected to an open end of the basket from the outside of ... | 07/31/1990 |
| 4925576 | Continuous discharge centrifuge A continuous discharge centrifuge can separate a slurry into a solid and liquid portion. The centrifuge has a housing and a rotor mounted in the housing to spin at a predetermined rate. The centrifuge has a spaced plurality of filters peripherally mounted... | 05/15/1990 |
| 4808308 | Clarifying filter-centrifuge and method of filtering suspensions A clarifying filter-centrifuge comprises a rotatable driving shaft, a closed drum driven by the shaft, a cover which closes the drum at an end face thereof, and a filter diaphragm mounted in the cover and extending normal to an axis of rotation of the sha... | 02/28/1989 |
| 4749486 | Automatic lateral filtration-type centrifuge An automatic centrifugal machine with lateral filtration used for realizing a highly effective separation of hardly separable fine sticky solid particles. It is equipped with a rotatable sediment drum having a radial filter plate, infrared fluid level mon... | 06/07/1988 |
| 4634536 | Separating systems A method of separating solid particles from the liquid constituent of a slurry, containing solids having a "wide" particle size distribution, that is, a size distribution wherein the equivalent diameter of particles in the slurry ranges between at least 1... | 01/06/1987 |
| 4536288 | Pocket centrifuge and method of operating same A pocket centrifuge has a plurality of sieve pockets having sieve surfaces and orbitable about an axis with the sieve surfaces forming sieve angles with perpendiculars to planes including this axis. A filtrant is fed radially to these pockets so that soli... | 08/20/1985 |
| 4366951 | Apparatus for refining metal melts from insuluble impurities The apparatus comprises a housing, a filtering device, mechanisms for driving the filtering device, respectively, through rotation and reciprocation and a device for discharging impurities from the filtering device. The filtering device includes the top a... | 01/04/1983 |
| 4317728 | Wobble centrifuge A wobble centrifuge of the type in which a centrifuge drum is rotated about an axis and, in addition, has its axis gyrated about another axis for the controlled discharge of the solids from the large-diameter end of the frustoconical drum structure. The l... | 03/02/1982 |
| 4269711 | Filter centrifuge A filter centrifuge having a perforated drum in which a filter cloth is disposed with one end firmly attached to the drum and the other end attached to a base plate coaxial and rotatable with the drum, the drum being fastened to a hollow shaft, the interi... | 05/26/1981 |
| 4204964 | Continuous centrifugal filter for various filtering and automatic coffee making Continuous centrifugal filtering device for precipitation, washing or draining. The rotative cylindrical sleeve is constituted of a helical winding with continuous coils of a long strip mounted in a rotative case including cylindrical rollers engaging the... | 05/27/1980 |
| 4204961 | Filter apparatus with cleaning function A fluid filter apparatus has a standard filter element in it and its usual end gaskets are utilized to rotate the filter by a rotating shaft and to provide a frictionless bearing against the housing interior.... | 05/27/1980 |
| 4199459 | Continuous filtering-settling centrifuge The subject of the invention is a continuous filtering-settling centrifuge designed for separating continuously mixtures containing solid and liquid bodies. In the centrifuge several filtering or settling baskets are applied, situated beyond the main axis... | 04/22/1980 |
| 4193874 | Filter centrifuge A filter centrifuge for the separation of solid and liquid components in a suspension in which a filter cloth is used. The filter cloth is inserted in the drum of the centrifuge and is removably fastened at one side about the periphery of an aperture in t... | 03/18/1980 |
| 4118248 | Automatic discharge centrifuge and method A method for releasing compacted sugar crystals from a screen after centrifugation uses braking force for stopping rotation of the centrifuge. The brake stops rotation of the screen without simultaneously stopping rotation of the crystals accumulated adja... | 10/03/1978 |
| 4000073 | Continuous discharge centrifuge A continuous discharge centrifuge for material of any nature, and particularly suitable for fibrous materials comprising a rotating structure, a filtering surface associated with it and provided with its own drive, and disposed without discontinuity along... | 12/28/1976 |