Involute Foil Regenerator
Granted: December 2, 2010
Application Number:
20100299924
A regenerator having a plurality of involute foils disposed in an annular gap between an inner cylindrical tube and an outer cylindrical tube. The involute shape of the foils provides uniform spacing throughout the entire regenerator and substantial surface area for fluid contact.
PHOTOVOLTAIC ARRAY WITH MINIMALLY PENETRATING ROOFTOP SUPPORT SYSTEM
Granted: October 7, 2010
Application Number:
20100252092
A photovoltaic array including a plurality of photovoltaic assemblies and a plurality of mounting units. The mounting units each include an elongate rail and a plurality of leg assemblies. The rail is sized and configured to maintain a portion of at least two of the photovoltaic assemblies, with the leg assemblies extending from the rail in a spaced-apart fashion and terminating in a foot for placement against a rooftop structure for minimally penetration installation. Further, at least…
PHOTOVOLTAIC ASSEMBLIES AND METHODS FOR TRANSPORTING
Granted: August 26, 2010
Application Number:
20100212715
A PV assembly including framework, PV laminate(s), and a stiffening device. The framework includes a perimeter frame at least 10 feet in length and at least 5 feet in width. The PV laminate(s) are assembled to the perimeter frame to define a receiving zone having a depth of not more than 8 inches. The stiffening device is associated with the framework and is configured to provide a first state and a second state. In the first state, an entirety of the stiffening device is maintained…
AUTOMATED SOLAR COLLECTOR INSTALLATION DESIGN
Granted: August 26, 2010
Application Number:
20100217565
Embodiments may include systems and methods to create and edit a representation of a worksite, to create various data objects, to classify such objects as various types of pre-defined “features” with attendant properties and layout constraints. As part of or in addition to classification, an embodiment may include systems and methods to create, associate, and edit intrinsic and extrinsic properties to these objects. A design engine may apply of design rules to the features described…
AUTOMATED SOLAR COLLECTOR INSTALLATION DESIGN INCLUDING ABILITY TO DEFINE HETEROGENEOUS DESIGN PREFERENCES
Granted: August 26, 2010
Application Number:
20100217566
Embodiments may include systems and methods to create and edit a representation of a worksite, to create various data objects, to classify such objects as various types of pre-defined “features” with attendant properties and layout constraints. As part of or in addition to classification, an embodiment may include systems and methods to create, associate, and edit intrinsic and extrinsic properties to these objects. A design engine may apply of design rules to the features described…
AUTOMATED SOLAR COLLECTOR INSTALLATION DESIGN INCLUDING EXCEPTIONAL CONDITION MANAGEMENT AND DISPLAY
Granted: August 26, 2010
Application Number:
20100217639
Embodiments may include systems and methods to create and edit a representation of a worksite, to create various data objects, to classify such objects as various types of pre-defined “features” with attendant properties and layout constraints. As part of or in addition to classification, an embodiment may include systems and methods to create, associate, and edit intrinsic and extrinsic properties to these objects. A design engine may apply of design rules to the features described…
AUTOMATED SOLAR COLLECTOR INSTALLATION DESIGN INCLUDING VERSION MANAGEMENT
Granted: August 26, 2010
Application Number:
20100217724
Embodiments may include systems and methods to create and edit a representation of a worksite, to create various data objects, to classify such objects as various types of pre-defined “features” with attendant properties and layout constraints. As part of or in addition to classification, an embodiment may include systems and methods to create, associate, and edit intrinsic and extrinsic properties to these objects. A design engine may apply of design rules to the features described…
PV Wind Performance Enhancing Methods
Granted: July 15, 2010
Application Number:
20100179678
Pressure equalization between upper and lower surfaces of PV modules of an array of PV modules can be enhanced in several ways. Air gaps opening into the air volume, defined between the PV modules and the support surface, should be provided between adjacent PV modules and along the periphery of the array. The ratio of this air volume to the total area of the air gaps should be minimized. Peripheral wind deflectors should be used to minimize aerodynamic drag forces on the PV modules. The…
Torque Arm Assembly and Method
Granted: June 10, 2010
Application Number:
20100139646
A torque arm assembly, used with a solar collector mounted to a drive shaft, comprises a torque arm with first and second ends and a torque arm coupling assembly including a drive shaft enclosure defining an open-ended channel sized to house the drive shaft. The channel has a circumferentially extending substantially continuous drive surface between the ends that lies adjacent to the drive shaft so the drive shaft and the drive shaft enclosure rotate together. In some examples contiguous…
MULTIPLE ARMATURE LINEAR MOTOR/ALTERNATOR HAVING MAGNETIC SPRING WITH NO FRINGE FIELDS AND INCREASED POWER OUTPUT
Granted: May 6, 2010
Application Number:
20100109450
An electromagnetic, reciprocating linear motor or alternator having at least two armatures that are adjacent along an axis of reciprocation. The armatures have gaps that are linearly aligned along a gap path parallel to the axis. Field magnets reciprocate within the gap path. The field magnets include a main field magnet associated with each armature, each main field magnet having a magnetic polarization in the same direction across the gap path. A secondary magnet provides a centering…
BALANCED MULTIPLE GROUPINGS OF BETA STIRLING MACHINES
Granted: April 22, 2010
Application Number:
20100095668
Multiple free-piston Stirling (FPS) machines are arranged in a group and connected for preventing or minimizing vibration. A first set of identical beta FPS machines are rigidly connected together, arranged in a mechanically co-directional orientation and configured to reciprocate in thermodynamically synchronous reciprocation with each other. The first set has axes of reciprocation intersecting a first point, which may be a point at infinity. The axes of the first FPS machines make the…
Photovoltaic Installation With Automatic Disconnect Device
Granted: March 25, 2010
Application Number:
20100071744
A PV installation comprises a PV array, an electrical interface connecting a utility power source to an electrical load, and a DC to AC inverter. A first set of wiring electrically connects the PV array to the inverter through a disconnect device and a second set of wiring electrically connects the inverter to the electrical interface. A control mechanism connects the disconnect device to the electrical interface so that when power from the electrical interface is removed, the PV array…
PHOTOVOLTAIC MODULE WITH DRAINAGE FRAME
Granted: December 31, 2009
Application Number:
20090320908
A PV module including a PV device and a frame. The PV device has a PV laminate maintaining a plurality of PV cells at a front face. The PV cells are arranged in rows, including a first row adjacent an edge of the PV laminate. Adjacent ones of the PV cells of the first row are separated by a column spacing. The frame is assembled to the PV laminate, and includes a frame member having a ledge and a plurality of spaced fingers that are connected to, and spaced from, the ledge. The PV…
PHOTOVOLTAIC MODULE AND MODULE ARRAYS
Granted: December 31, 2009
Application Number:
20090320907
A photovoltaic (PV) module including a PV device and a frame. The PV device has a PV laminate defining a perimeter and a major plane. The frame is assembled to and encases the laminate perimeter, and includes leading, trailing, and side frame members, and an arm that forms a support face opposite the laminate. The support face is adapted for placement against a horizontal installation surface, to support and orient the laminate in a non-parallel or tilted arrangement. Upon final…
PHOTOVOLTAIC MODULE WITH REMOVABLE WIND DEFLECTOR
Granted: December 31, 2009
Application Number:
20090320906
A photovoltaic (PV) module assembly including a PV module, a deflector, and a clip. The PV module includes a PV device and a frame. A PV laminate is assembled to the frame, and the frame includes a support arm forming a seat. The deflector defines a front face and a rear face, with the clip extending from either the trailing frame member or the rear face of the deflector. In a mounted state, the deflector is nested within the seat and is releasably mounted to the trailing frame member…
PHOTOVOLTAIC MODULE KIT INCLUDING CONNECTOR ASSEMBLY FOR NON-PENETRATING ARRAY INSTALLATION
Granted: December 31, 2009
Application Number:
20090320905
A PV module kit for non-penetrating rooftop installation, including a plurality of PV modules and a plurality of connectors. Each of the PV modules includes a PV laminate and a frame forming a mounting region assembled thereto. The connectors include a male connector having a male fastener extending from a head, and a female connector having a female fastener assembled within a head. The heads are entirely formed of plastic. The kit provides a mounted array state including a junction at…
BALLASTED PHOTOVOLTAIC MODULE AND MODULE ARRAYS
Granted: December 31, 2009
Application Number:
20090320904
A photovoltaic (PV) module assembly including a PV module and a ballast tray. The PV module includes a PV device and a frame. A PV laminate is assembled to the frame, and the frame includes an arm. The ballast tray is adapted for containing ballast and is removably associated with the PV module in a ballasting state where the tray is vertically under the PV laminate and vertically over the arm to impede overt displacement of the PV module. The PV module assembly can be installed to a…
METHOD FOR ENABLING MONITORING OF POWER CONSUMPTION
Granted: December 10, 2009
Application Number:
20090302831
Power consumption at a site is monitored. An electrical load is connected to a power source by an electrical conductor. A fuel-less energy producing device is electrically connected to a junction along the electrical conductor. A current sensor is electromagnetically coupled to the electrical conductor at a sensing position between the power source and the junction to create a current sensor signal. Sensed current and voltage signals are produced from the current sensor signal. A sensed…
Tracking Solar Collector Assembly
Granted: September 24, 2009
Application Number:
20090235975
A tracking solar collector assembly includes solar collector support structure, with at least one solar collector mounted thereto and first and second spaced apart pivotal support points defining a tilt axis, Southside supports, with first pivot connectors, and North side supports, with a base, a second pivot connector, and one or two support elements connected to the base and to the second pivot connector at the ends thereof. The first and second support points are pivotally connected…
Modular Shade System with Solar Tracking Panels
Granted: September 10, 2009
Application Number:
20090223142
A modular shade system with solar tracking panels includes a series of generally North-South oriented, spaced apart torque tubes, each torque tube having an axis, a series of panels mounted to at least some of the torque tubes to create spaced-apart rows of panels along the torque tubes, at least some of the panels being solar collector panels. The system also includes a shade structure, positioned at a selected location between selected ones of the torque tubes and above the support…
