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Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7997864 | Blade arm A user adjustable variable axial length and variable pitch ceiling fan blade arm. The blade arm includes a pair of extension elements. Each element is threadably engaged with each other. At the other end of the extension elements are custom flanges for the purpose o... | 08/16/2011 |
| 7632070 | Telescoping wind turbine blade A wind turbine blade made of a fixed blade section with an integral mounting flange for attachment to a wind turbine hub. A moveable blade section is attached to the fixed blade section and is free to move in a longitudinal direction relative to the fixed blade sect... | 12/15/2009 |
| 7218013 | Wind powered generator A wind powered electrical generation assembly having a portable wind powered generator tower for supporting a wind powered generator allowing the wind powered generator to be raised, lowered, and removed from the tower. The wind powered electrical generation assembl... | 05/15/2007 |
| 7186083 | Wind energy conversion device A wind energy conversion device includes a propeller in which each of the propeller blades includes a proximal (radially inward) non-airfoil mounting section, a medial section and a distal tip section mounted to pivot relative to the medial section about a pitch axi... | 03/06/2007 |
| 7131812 | Sky turbine that is mounted on a city A sky turbine, having impeller blades with a plurality of panels that can telescope inward and outward. The pitch of the panels can be adjusted, and the pitch of each panel on a blade, passing from the innermost panel to the outermost panel, differs from the pitch o... | 11/07/2006 |
| 6972498 | Variable diameter wind turbine rotor blades A system and method for changing wind turbine rotor diameters to meet changing wind speeds and control system loads is disclosed. The rotor blades on the wind turbine are able to adjust length by extensions nested within or containing the base blade. The blades can ... | 12/06/2005 |
| 6923622 | Mechanism for extendable rotor blades for power generating wind and ocean current turbines and means for counter-balancing the extendable rotor blade A power generating system wherein a turbine is mounted on top of a tower or tethered underwater. The turbine includes a rotor having a main blade section connected to a rotor hub and an extender section. An adjusting device positions the extender section between a r... | 08/02/2005 |
| 6910873 | Self regulating rotor A machine that is a self regulating rotor with a set of cups or vanes that are pivotally attached about a central axis such that they form a closed three dimensional shape when closed, and when rotated into an open orientation form an S-shaped rotor, when viewed as ... | 06/28/2005 |
| 6902370 | Telescoping wind turbine blade A wind turbine blade made of a fixed blade section with an integral mounting flange for attachment to a wind turbine hub. A moveable blade section is attached to the fixed blade section and is free to move in a longitudinal direction relative to the fixed blade sect... | 06/07/2005 |
| 6752595 | Propeller type windmill for power generation A plurality of wind turbine blades (3) are distributed equiangularly within a plane perpendicular to a horizontal rotating shaft (2) and around a hub (1) provided on the horizontal rotating shaft (2); the blade body of each turbine blade ... | 06/22/2004 |
| 6726439 | Retractable rotor blades for power generating wind and ocean current turbines and means for operating below set rotor torque limits A wind or water flow energy converter comprising a wind or water flow actuated rotor assembly. The rotor comprises a plurality of blades, wherein the blades of are variable in length to provide a variable diameter rotor. The rotor diameter is controlled to fully ext... | 04/27/2004 |
| 6655915 | Drive system for the retraction/extension of variable diameter rotor systems A drive system for a variable diameter rotor (VDR) system includes a plurality of rotor blade assemblies with inner and outer rotor blade segments. The outer blade segment being telescopically mounted to the inner blade segment. The VDR retraction/extensi... | 12/02/2003 |
| 6113350 | Vertical-axle power machine A vertical-axle wind power machine comprises a vertical axle, a plurality of jointed radial arms, a plurality of counterbalanced oblique blades at the support points thereof, a friction-rewarding rotary speed multiplying transmission, and an automatic rot... | 09/05/2000 |
| 6030177 | Drive system for a variable diameter tilt rotor A drive system for a variable diameter rotor system that includes a plurality of rotor blade assemblies with inner and outer blade segments. The outer blade segment being telescopically mounted to the inner blade segment. The drive system engaging a jacks... | 02/29/2000 |
| 6019578 | Variable diameter rotor blade actuation system A rotor blade actuation system is disclosed for controlling extension and retraction of an outboard blade section of a rotor blade by varying the speed and direction of rotation between a main rotor shaft and a blade actuation shaft. The rotor blade actua... | 02/01/2000 |
| 5810561 | Variable pitch propeller apparatus A variable pitch propeller apparatus for use with a motor is disclosed. The apparatus includes a housing having a plurality of blades mounted therein for rotation. Adjustable high pitch and low pitch stop rings are connected to the housing and a synchroni... | 09/22/1998 |
| 5735670 | Rotor system having alternating length rotor blades and positioning means therefor for reducing blade-vortex interaction (BVI) noise A Variable Diameter Rotor (VDR) system (4) having telescoping odd and even blade assemblies (Ob, Eb) wherein the odd blade assemblies define a radial length RO and the even blade assemblies define a radial length RE. | 04/07/1998 |
| 5655879 | Mounting arrangement for variable diameter rotor blade assemblies A mounting arrangement (100) for a Variable Diameter Rotor blade assembly (16) having an outer blade segment telescopically mounting to a torque tube member (24), and connecting means (70) for transferring centrifugal loads of the outer blade segment (22)... | 08/12/1997 |
| 5636969 | Torque tube/spar assembly for variable diameter helicopter rotors A torque tube/spar assembly (100) for transferring operational loads of a Variable Diameter Rotor blade assembly (16) to a rotor hub assembly (18) and includes a torque tube member (24), a spar member (30) and a bearing assembly (40a, 40b) for telescopica... | 06/10/1997 |
| 5630705 | Rotor construction for windmill A device for converting wind flow energy into mechanical energy has a base construction and a rotor with an essentially horizontal axis mounted on the base construction. The rotor has a number of elongated rotor blades which are connected to a rotary supp... | 05/20/1997 |
| 5620304 | Rotor system having alternating length rotor blades and positioning means therefor for reducing blade-vortex interaction (BVI) noise A Variable Diameter Rotor (VDR) system (4) having telescoping odd and even blade assemblies (Ob, Eb) wherein the odd blade assemblies define a radial length RO and the even blade assemblies define a radial length RE. | 04/15/1997 |
| 5620303 | Rotor system having alternating length rotor blades for reducing blade-vortex interaction (BVI) noise A rotor system (4) having odd and even blade assemblies (Ob, Eb) mounting to and rotating with a rotor hub assembly (6) wherein the odd blade assemblies (Ob) define a radial length RO, and the even blade assembl... | 04/15/1997 |
| 5527153 | Variable pitch propeller A variable pitch propeller assembly is disclosed for a power boat. Three blades are mounted on a housing carried by the propeller shaft. Each blade has an axle received in the housing. Each axle has a slot receiving a dowel carried in the housing so the b... | 06/18/1996 |
| 5466177 | Variable propeller for boat A sleeve 18 spline-fitted in an outer periphery of a propeller shaft 4 is connected to a propeller boss 12 for surrounding the outer periphery of the sleeve by a damper rubber 20 interposed in superposed relation therebetween, and in a recess formed in th... | 11/14/1995 |
| 5326223 | Automatic variable pitch marine propeller with mechanical holding means There is provided a self-actuating variable pitch marine propeller which incorporates two or more blades, each independently rotatable, relative to the propeller hub, between a first lower and a second higher pitch. The blades are preferably mechanically ... | 07/05/1994 |
| 5299912 | Drive system for changing the diameter of a variable diameter rotor A drive system for varying the diameter of a variable diameter rotor has a gear drive system associated with a single coaxial shaft lower end which includes a gear set for increasing or decreasing the speed of rotation of the coaxial shaft relative to the... | 04/05/1994 |
| 5286166 | Automatic centrifugal force variable pitch propeller An automatic centrifugal force variable pitch propeller assembly includes a plurality of propeller blades mounted within a housing, each of the propeller blades being mounted to permit limited radial travel in its entirety and simultaneous incremental rot... | 02/15/1994 |
| 5253979 | Variable diameter rotor having an offset twist A variable diameter rotor for a tilt rotor aircraft has an inboard section having a linear twist from a root end to an outboard end thereof, and an outboard section telescoped over the inboard section which additionally has a linear twist from a root end ... | 10/19/1993 |
| 5240374 | Damped automatic variable pitch marine propeller There is provided a self-actuating variable pitch marine propeller which incorporates two or more blades, each independently rotatable, relative to the propeller hub, between a first lower and a second higher pitch. The blades are preferably mechanically ... | 08/31/1993 |
| 5022820 | Variable pitch propeller An automatic variable pitch propeller including a central hub defining an axis of propeller rotation and a plurality of blades connected to and extending from the central hub substantially normal to the axis of rotation, each blade being mounted for rotat... | 06/11/1991 |
| 4978286 | Variable cycle engine passive mechanism A mechanism for varying the cycle of a power plant comprising a turbine ene having a housing connected to the rotating spool of the turbine engine with a plurality of propeller blades slideably attached to the housing such that at maximum rotational spee... | 12/18/1990 |
| 4948337 | Aircraft engine propulsor blade pitch sensing Pitch of a blade (12) on an aircraft engine propulsor (14) is determined by employing a shaft (22) and a bevel gear (23) to alter relative circumferential distance between a first set of teeth (25) and a second set of teeth (26). Said teeth (25,26) create... | 08/14/1990 |
| 4948339 | Propeller blade counterweight The invention concerns a system for reducing the resisting torque which must be overcome in changing pitch of aircraft propeller blades. The resisting torque includes gas twisting moment and centrifugal twisting moment. The invention includes a bearing sy... | 08/14/1990 |
| 4915586 | Propfan blade attachment A blade attachment between a propfan blade and a propfan hub in a propfan propulsion system for a tube-launched expendable aircraft, the attachment including a hinger on a rotatable propfan hub on the aircraft, a stem of the propfan blade rotatably suppor... | 04/10/1990 |
| 4909703 | Motion damping apparatus for wind driven propellers A multi-blade, variable pitch wind driven propeller in which a shock absorber is connected with each blade to dampen movement in both the radially inward and radially outward movements of the blade. Tension springs are connected with the blades to move th... | 03/20/1990 |
| 4867642 | Wind mill wing with air brake By mounting an axle (18,19) in a wind mill wing (1) having a wing tip (22) capable of swinging out by means of a mounting (2,7,8) which may be bolted to the wing and which can furthermore squeeze about the axle (18), it is possible to mount this mounting ... | 09/19/1989 |
| 4801243 | Adjustable diameter screw propeller An adjustable diameter screw propeller includes a hub having a plurality of spindles, each mounted in the hub for rotation about an axis disposed radially of the hub axis and a mechanism for synchronously turning the spindles in a common direction. A plur... | 01/31/1989 |
| 4792279 | Variable pitch propeller An automatic variable pitch propeller comprising a central hub defining an axis of propeller rotation and a plurality of blades connected to and extending from said central hub substantially normal to the axis of rotation, each blade being mounted for rot... | 12/20/1988 |
| 4776761 | Articulated blades ceiling fan-lamps combination A ceiling fan is provided and includes articulated fan blades such that when the fan is off the blades will hang vertically downwardly by force of gravity and when the fan is turned on the blades will rise radially to a horizontal pitched angled position ... | 10/11/1988 |
| 4717312 | Variable-pitch bladed rotors A variable-pitch bladed rotor including a plurality of blades extending outwardly from a hub in which they are each mounted by a respective ball-screw device. Each device comprises inner and outer races each provided with at least one helical groove, a pl... | 01/05/1988 |
