Abstract: A fluid flow component including a body having a flow path therein, and a blocking component movable between a closed position where the blocking component blocks a flow of fluid through the flow path, and an open position where the blocking component does not block the flow of fluid through the flow path. The blocking component is rotatable about a center axis and includes a partial spherical outer surface that extends 270 degrees or less relative to the center axis. The component further includes an inlet seat that at least partially overlaps with the blocking component along a length of the flow path. An inner surface of the inlet seat is aligned with a portion of the body located immediately upstream of the inlet seat.

Abstract: A nozzle including a nozzle body having a flow path therein, the nozzle further including a face plate coupled to or positioned in the nozzle body and having an engagement surface. The nozzle includes an arm coupled to or positioned in the nozzle body, the arm including an engagement surface engaging the engagement surface of the face plate. At least one of the engagement surface of the face plate or the engagement surface of the arm has at least part of a spherical surface. The face plate and the arm are configured such that relative rotation between the face plate and the nozzle body causes at least part of the arm to move toward or away from a center of the flow path.

Abstract: A solar-tracking photovoltaic (PV) system having several PV modules mounted on a torque tube is described. The torque tube may include several sections joined by a torque tube coupler. For example, the torque tube coupler may having a medial section and end sections to join to the torque tube sections. The medial section and the torque tube sections may have a same outer diameter.

Abstract: A mounting assembly for a photovoltaic (PV) module, and systems including such mounting assemblies, are described. In an example, the mounting assembly includes a top support and a bottom support having respective mounting walls, and holes through the mounting walls. A pin assembly may extend through the holes in the mounting walls to constrain the supports, for example, relative to a torque member of a solar-tracking PV system. The pin assembly may include end collars to engage and distribute loading from the torque member.

Abstract: A photovoltaic (PV) module clip, and methods of fastening a PV module to a structural member using the PV module clip, are described. In an example, a PV module clip includes a toe portion interconnected with several legs by a neck portion. The toe portion may be inserted through several aligned holes of a PV module frame and a mounting assembly strut to an underside of the strut. The neck portion may extend upward from the toe portion through the aligned holes to the legs above the strut. The legs may extend around a portion of the strut in a tensioned state, and engage with a retaining feature to hold the legs in the tensioned state. Accordingly, the legs may clamp the PV module to the mounting assembly.

Abstract: A solar-tracking photovoltaic (PV) system having several PV modules mounted on a torque tube is described. The torque tube may include several sections joined by a torque tube coupler. For example, the torque tube coupler may having a medial section and end sections to join to the torque tube sections. The medial section and the torque tube sections may have a same outer diameter.

Abstract: A mounting assembly for a photovoltaic (PV) module, and systems including such mounting assemblies, are described. In an example, the mounting assembly includes a top support and a bottom support having respective mounting walls, and holes through the mounting walls. A pin assembly may extend through the holes in the mounting walls to constrain the supports, for example, relative to a torque member of a solar-tracking PV system. The pin assembly may include end collars to engage and distribute loading from the torque member.

Abstract: A mounting assembly for a photovoltaic (PV) module, and systems including such mounting assemblies, are described. In an example, the mounting assembly includes a top support and a bottom support having respective mounting walls, and holes through the mounting walls. A pin assembly may extend through the holes in the mounting walls to constrain the supports, for example, relative to a torque member of a solar-tracking PV system. The pin assembly may include end collars to engage and distribute loading from the torque member.

Abstract: A multi-drive solar-tracking photovoltaic (PV) system having several PV modules mounted on a torque tube is described. In an example, several motor drives input torque to the torque tube, and the motor drives are controlled by a single controller. The torque tube may include several sections joined by a torque tube coupler. For example, the torque tube coupler may having a medial section and end sections to join to the torque tube sections. The medial section and the adjoined torque tube sections may have a same outer diameter.

Abstract: A solar-tracking photovoltaic (PV) system having several PV modules mounted on a torque tube is described. The torque tube may include several sections joined by a torque tube coupler. For example, the torque tube coupler may having a medial section and end sections to join to the torque tube sections. The medial section and the torque tube sections may have a same outer diameter.

Abstract: A mounting assembly for a photovoltaic (PV) module, and systems including such mounting assemblies, are described. In an embodiment, the mounting assembly includes a top strut to support a PV module, and a retainer fixed relative to the top strut. The retainer may have an upright and retaining tab portion forming a receiving gap to receive the PV module. The retainer may constrain movement of the PV module mounted on the top strut.

Abstract: A photovoltaic (PV) module clip, and methods of fastening a PV module to a structural member using the PV module clip, are described. In an example, a PV module clip includes a toe portion interconnected with several legs by a neck portion. The toe portion may be inserted through several aligned holes of a PV module frame and a mounting assembly strut to an underside of the strut. The neck portion may extend upward from the toe portion through the aligned holes to the legs above the strut. The legs may extend around a portion of the strut in a tensioned state, and engage with a retaining feature to hold the legs in the tensioned state. Accordingly, the legs may clamp the PV module to the mounting assembly.

Abstract: A rotation locking device for use in a row-level sun tracking solar energy collection system includes a housing, a first locking member, a second locking member, and an actuator. The housing is configured to be mounted to a pile and configured to permit a torque tube to extend through the housing. The first locking member has a plurality of circumferentially spaced projections attached to and rotatable with the torque tube. The second locking member is connected to the housing and has a plurality of mating elements for engaging projections of the first locking member. The actuator is configured to relatively move the first and second locking members between an unlocked position in which the mating elements are disengaged from the projections and a locked position in which the mating elements are engaged with the projections to inhibit rotation of the torque tube with respect to the housing.

Abstract: A photovoltaic (PV) module clip, and methods of fastening a PV module to a structural member using the PV module clip, are described. In an example, a PV module clip includes a toe portion interconnected with several legs by a neck portion. The toe portion may be inserted through several aligned holes of a PV module frame and a mounting assembly strut to an underside of the strut. The neck portion may extend upward from the toe portion through the aligned holes to the legs above the strut. The legs may extend around a portion of the strut in a tensioned state, and engage with a retaining feature to hold the legs in the tensioned state. Accordingly, the legs may clamp the PV module to the mounting assembly.

Abstract: A rotation locking device for use in a row-level sun tracking solar energy collection system includes a housing, a first locking member, a second locking member, and an actuator. The housing is configured to be mounted to a pile and configured to permit a torque tube to extend through the housing. The first locking member has a plurality of circumferentially spaced projections attached to and rotatable with the torque tube. The second locking member is connected to the housing and has a plurality of meeting elements for engaging projections of the first locking member. The actuator is configured to relatively move the first and second locking members between an unlocked position in which the mating elements are disengaged from the projections and a locked position in which the mating elements are engaged with the projections to inhibit rotation of the torque tube with respect to the housing.

Abstract: A multi-drive solar-tracking photovoltaic (PV) system having several PV modules mounted on a torque tube is described. In an example, several motor drives input torque to the torque tube, and the motor drives are controlled by a single controller. The torque tube may include several sections joined by a torque tube coupler. For example, the torque tube coupler may having a medial section and end sections to join to the torque tube sections. The medial section and the adjoined torque tube sections may have a same outer diameter.

Abstract: A mounting assembly for a photovoltaic (PV) module, and systems including such mounting assemblies, are described. In an example, the mounting assembly includes a top support and a bottom support having respective mounting walls, and holes through the mounting walls. A pin assembly may extend through the holes in the mounting walls to constrain the supports, for example, relative to a torque member of a solar-tracking PV system. The pin assembly may include end collars to engage and distribute loading from the torque member.

Abstract: A solar-tracking photovoltaic (PV) system having several PV modules mounted on a torque tube is described. The torque tube may include several sections joined by a torque tube coupler. For example, the torque tube coupler may having a medial section and end sections to join to the torque tube sections. The medial section and the torque tube sections may have a same outer diameter.

Abstract: A mounting assembly for a photovoltaic (PV) module, and systems including such mounting assemblies, are described. In an embodiment, the mounting assembly includes a top strut to support a PV module, and a retainer fixed relative to the top strut. The retainer may have an upright and retaining tab portion forming a receiving gap to receive the PV module. The retainer may constrain movement of the PV module mounted on the top strut.

Abstract: A photovoltaic (PV) module clip, and methods of fastening a PV module to a structural member using the PV module clip, are described. In an example, a PV module clip includes a toe portion interconnected with several legs by a neck portion. The toe portion may be inserted through several aligned holes of a PV module frame and a mounting assembly strut to an underside of the strut. The neck portion may extend upward from the toe portion through the aligned holes to the legs above the strut. The legs may extend around a portion of the strut in a tensioned state, and engage with a retaining feature to hold the legs in the tensioned state. Accordingly, the legs may clamp the PV module to the mounting assembly.