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A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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| Number | Title | Issue Date |
| 7220107 | Three blade type vertical windmill device The present invention relates to a windmill device rotating by a wind power. More particularly, to efficiently obtain rotating energy irrespective of a wind direction, the present invention is firstly characterized in that assuming that an outermost radius as a dist... | 05/22/2007 |
| 7033131 | Fan blade for a gas-turbine engine For material reduction, a fan blade made of solid material for a gas-turbine engine is provided in the area of the blade tip with at least one cavity (5) extending from the face of the blade tip. Thus, apart from the aspect of weight saving, the vibration amp... | 04/25/2006 |
| 6997444 | Radial disc impeller apparatus and method A radial disc impeller for use with a liquid or liquid suspension mixing assembly, having an axis of rotation. The radial disc has a hub and at least one disc extending radially away from the axis of rotation. The disc is connected to the hub at first axial location... | 02/14/2006 |
| 6547519 | Blower impeller apparatus with pivotable blades Blower designs for vented enclosures include an impeller having a plurality of blades. The impeller includes a plurality of blades pivotably coupled to an impeller body. The blades pivot to enable operation in one of a closed and an open state. Air flow b... | 04/15/2003 |
| 6419450 | Variable width pump impeller A variable width pump impeller that allows for the selection of a fixed impeller width from two or more possible impeller widths. The impeller comprises a first impeller shroud having a plurality of impeller vanes and a second impeller shroud having an eq... | 07/16/2002 |
| 6386831 | Fan wheel The invention relates to a fan wheel for a turbo charger. The fan wheel (1) is comprised of a base body with a central axis of rotation (5) wherein the base body is assembled of two cover discs (2, 3) positioned approximately congruently opposite one anot... | 05/14/2002 |
| 6033183 | Impeller for a rotary pump The invention relates to an impeller of a rotary pump having an annular upper part defining a central inlet opening, a drive-adjacent disk-shaped lower part, and a plurality of blades secured between the upper and lower parts. The upper and lower parts ar... | 03/07/2000 |
| 5588803 | Centrifugal impeller with simplified manufacture A centrifugal blower impeller has wide, backwardly inclined blades of the type that require the addition of a locking ring in order to stiffen and stabilize the blade tips. The blade tips and locking ring incorporate special notches and interfitting chann... | 12/31/1996 |
| 5478275 | Radial fan A ventilation system for a car including an outside air channel, an interior air channel, and a radial fan having a suction side and an exhaust side. The fan is situated at junction between the outside air and interior air channels, so that the outside ai... | 12/26/1995 |
| 4720242 | Centrifugal pump impeller An impeller for a centrifugal pump is disclosed for attenuating the effects of pressure and flow surges experienced by the pump. The impeller includes a rotatable impeller shaft to which a plurality of circumferentially-spaced vanes are mounted for rotati... | 01/19/1988 |
| 4692631 | Turbine alternator with a central clear optical path A turbine alternator comprising a central clear optical path through which certain objects or optics may pass unimpeded. This design features a means for internal safe arming of the munition in which the turbine alternator is contained. In addition, this ... | 09/08/1987 |
| 4662819 | Centrifugal fan with variable blade pitch A centrifugal fan includes a fan wheel having airfoil blades mounted for pivotal movement about their center of gravity. A yoke mechanism exterior of the fan wheel, when moved axially of the fan wheel drive shaft axis, causes actuator rods to move through... | 05/05/1987 |
| 4540337 | Ram air turbines A cup shaped disc (13) consisting of a central portion (20) having radially extending blades (18) is attached with its central portion to the protruding hub portion (12) of a radial flow turbine wheel (2) consisting of a backing plate (10) extending trans... | 09/10/1985 |
| 4465645 | Rotary surface aerator with adjustable liquid transporting units The rotary surface aeration device used to rotate and aerate sewage is provided with a carrying part connected to a vertically running drive axle. A plurality of liquid transporting units also fastened to the carrying part. In order to improve the oxygen ... | 08/14/1984 |
| 4412783 | Centrifugal fan wheel with changeable pitch blades A centrifugal fan wheel is provided with blades 10 which may have their pitch changed through circumferential movement of a ring 30 tied to an outer tube 28 encompassing a drive shaft 24 and capable of having its rotative position relative thereto changed... | 11/01/1983 |
| 4338062 | Adjustable vortex pump A vortex pump which has been converted from a centrifugal pump by interposing an annular spacer between the power frame and casing of the centrifugal pump to provide space for a vortex impeller which has been substituted for the centrifugal impeller. An a... | 07/06/1982 |
| 4322377 | Surface aerating rotor A surface aerating rotor has an intake zone for circulating and aerating a liquid, and includes a supporting assembly, a driving shaft connected to the supporting assembly, fixed flow guidance devices disposed in the intake zone of the rotor, and a plural... | 03/30/1982 |
| 4303375 | Closable vane turbine ventilator In a rotary ventilator having a vertical shaft rotatably supporting a rain plate, a vertically movable ring, diametrically equal with the rain plate, surrounds the depending end portion of the shaft. A plurality of elongated vanes, vertically disposed in ... | 12/01/1981 |
| 4248571 | Centrifugal impellers A centrifugal impeller for use in a combination centrifugal-turbine pump capable of pumping liquids at or near the boiling point thereof with suction heads not greater than about one foot and wherein the entrance portion of the centrifugal impeller includ... | 02/03/1981 |
| 4178131 | Centrifugal impellers A centrifugal impeller for use in a combination centrifugal-turbine pump capable of pumping liquids at or near the boiling point thereof with suction heads not greater than about one foot and wherein the entrance portion of the centrifugal impeller includ... | 12/11/1979 |
| 4161371 | Self-regulating turbine 1. A self-regulating turbine comprising an inner turbine rotor having outdly extending vanes with air passages between them, an outer rotor member concentric with and extending radially beyond said inner rotor and having limited circumferential motion re... | 07/17/1979 |
| 4139330 | Adjustable vane centrifugal pump impeller construction An adjustable centrifugal impeller including a hub, a plurality of elongated vanes located circumferentially on the hub with each of the vanes having inner and outer portions, an annular ring mounted for circumferential sliding movement on the hub, first ... | 02/13/1979 |
| 4117047 | Device for mixing gases and liquids A device for mixing liquids and gases comprising a fan stage above and connected to a distribution stage. The fan stage comprises a plate with blades and a central aperture. The distribution stage comprises a plate, preferably concave with the concavity f... | 09/26/1978 |
| 4066382 | Surface aeration impeller An impeller which is adapted to be affixed to a rotating shaft is provided for aerating a liquid and includes a support disk having a circular outer edge. The support disk is affixed to the rotating shaft in such a manner that it is maintained in a substa... | 01/03/1978 |
| 4063846 | Pump impeller improvement To retain thrust washers and to prevent them from spinning or rotating at speeds less than the pump impeller with which they are associated, the thrust washers are slotted or split. The slotted or split washers expand due to centrifugal force and due to t... | 12/20/1977 |
| 3944406 | Centrifugal pump for pumping liquids with heavy gas content This invention is concerned with a centrifugal pump, particularly adapted for pumping liquids with a heavy gas content. To separate the gases from the liquids the impeller is provided with ducts leading from the central inlet to the peripheral outlet of t... | 03/16/1976 |
| 3938907 | Horizontal multidirectional turbine windmill A horizontal multidirectional turbine windmill comprising a housing having apertures on all sides for ingress and egress of air and a rotor on a drive shaft within the housing, each aperture being the larger end of a funnel-shaped passage, the smaller end... | 02/17/1976 |
