Abstract: An engine air intake tract includes a flexible air intake duct having a flexible tubular body. A plurality of radially extending convolutes are formed in and spaced apart on an axially extending outer wall of the tubular body. Each convolute has a circumferential ring-shaped inwardly extending peak bordered by outwardly extending troughs. A liquid sump is formed into a lower portion of the tubular body and includes a plurality of spaced sump chambers with each chamber formed between and connected to at least two adjacent ones of the convolutes and extending radially outwardly from the convolutes.

Abstract: A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment. The at least one solvent may be selected from the group consisting of benzyl benzoate, decanol, ethyl hexyl lactate, and mixtures thereof and the at least one polymer may be selected from the group consisting of a polyester, pyrrolidone, ester of an unsaturated alcohol, ether of an unsaturated alcohol, polyoxyethylenepolyoxypropylene block copolymer, and mixtures thereof. In one embodiment, the at least one solvent is benzyl benzoate and the at least one polymer is polyvinylpyrrolidone. A stable, nonaqueous suspension formulation that includes the nonaqueous, single-phase vehicle and an active agent, and a method of forming the same, are also disclosed.

Abstract: An osmotic delivery system flow modulator includes an outer shell constructed and arranged for positioning in an opening, an inner core inserted in the outer shell, and a fluid channel having a spiral shape defined between the outer shell and the inner core. The fluid channel is adapted for delivery of an active agent formulation from the reservoir of the osmotic delivery system.

Abstract: A dual switching frequency hybrid power converter comprising two different types of power switching element switching at two different frequencies is presented for DC-to-AC and AC-to-DC voltage conversion and for monophase or multi-phase devices with the aim of reducing considerably the conduction and switching losses of those power switching elements. The dual switching frequency hybrid power converter also enables a DC to DC voltage conversion as well as an AC to AC voltage conversion.

Abstract: A high energy density flywheel has a central rotating axle for storing kinetic energy. The flywheel comprises a first member to be operatively mounted around the axle. The first member comprises a first material having a given high mass density enabling a given high kinetic energy storage capacity. The flywheel comprises a second member operatively attached to the first member. The second member surrounds an outside portion of the first member subject to radial forces generated by a rotation of the flywheel. The second member comprises a second material having a given high yield strength enabling a given high maximum rotational speed. The second member enables an operation of the flywheel at a given high flywheel rotational speed greater than the rotational speed that would be allowed by the maximal yield strength of the first material, to thereby provide the flywheel with a given high kinetic energy storage capacity.

Abstract: An system for storing electrical energy over at least a medium term duration. The energy storage system comprises a motor assembly operatively connectable to at least one of an electrical energy source and an electrical distribution network for providing kinetic energy, a flywheel device operatively connectable to the motor assembly for storing at least one part of the kinetic energy, a generator assembly operatively connectable to the flywheel device for receiving at least one portion of the part of the kinetic energy and generating regenerated electrical energy in response thereto, and a control unit for controlling operation of the energy storage system, which enables an energy storage operating mode for storing the part of the kinetic energy into the flywheel device, and an energy supply operating mode for providing at least one portion of the regenerated energy to at least one of the electrical distribution network and an electrical appliance.

Abstract: An osmotic delivery system flow modulator includes an outer shell constructed and arranged for positioning in an opening, an inner core inserted in the outer shell, and a fluid channel having a spiral shape defined between the outer shell and the inner core. The fluid channel is adapted for delivery of an active agent formulation from the reservoir of the osmotic delivery system.

Abstract: A system for decoupling a rotor from a stator of a permanent magnet motor and a flywheel storage system using the same are provided. The flywheel storage system uses the permanent magnet motor as a magnetic active coupler to minimize magnetic losses in flywheel energy storage system during the motor-generator electric power transfer for enabling a magnetic field weakening method and a way of cancelling the losses during a conservative mode where the stator is totally decoupled from the rotor. Also, the present invention enables the optimal sizing of a permanent motor-generator to be able to supply a constant power over a large range of rotating speeds.

Abstract: A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment. The at least one solvent may be selected from the group consisting of benzyl benzoate, decanol, ethyl hexyl lactate, and mixtures thereof and the at least one polymer may be selected from the group consisting of a polyester, pyrrolidone, ester of an unsaturated alcohol, ether of an unsaturated alcohol, polyoxyethylenepolyoxypropylene block copolymer, and mixtures thereof. In one embodiment, the at least one solvent is benzyl benzoate and the at least one polymer is polyvinylpyrrolidone. A stable, nonaqueous suspension formulation that includes the nonaqueous, single-phase vehicle and an active agent, and a method of forming the same, are also disclosed.

Abstract: A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment. The at least one solvent may be selected from the group consisting of benzyl benzoate, decanol, ethyl hexyl lactate, and mixtures thereof and the at least one polymer may be selected from the group consisting of a polyester, pyrrolidone, ester of an unsaturated alcohol, ether of an unsaturated alcohol, polyoxyethylenepolyoxypropylene block copolymer, and mixtures thereof. In one embodiment, the at least one solvent is benzyl benzoate and the at least one polymer is polyvinylpyrrolidone. A stable, nonaqueous suspension formulation that includes the nonaqueous, single-phase vehicle and an active agent, and a method of forming the same, are also disclosed.

Abstract: Formulations and methods are provided for improving the stability upon exposure to aqueous media of polypeptides present in non-aqueous suspension vehicles. In particular aspects of the invention, formulations are provided that comprise a complex of a metal ion and a polypeptide suspended in a non-aqueous, biocompatible suspension vehicle. Aggregation of individual polypeptide molecules is reduced when aqueous media is introduced to such formulations, serving to stabilize the polypeptide.

Abstract: An osmotic delivery system flow modulator includes an outer shell constructed and arranged for positioning in an opening, an inner core inserted in the outer shell, and a fluid channel having a spiral shape defined between the outer shell and the inner core. The fluid channel is adapted for delivery of an active agent formulation from the reservoir of the osmotic delivery system.

Abstract: An air filter element is provided with an anti-crown support grid on a clean side of the filter media. The support grid includes at least one side rail provided along periphery portions of the grid and at least one support rib spanning between and secured at opposing ends to the side rails. A plurality of frame attachment members extend outwardly from the support rails and are configured for embedding into the seal frame to secure the support grid to the frame. The support grid includes at least one alignment feature sized, configured and positioned to be receivable into a complimentary feature of a housing so as to positionally lock the filter element and the housing.

Abstract: A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment. The at least one solvent may be selected from the group consisting of benzyl benzoate, decanol, ethyl hexyl lactate, and mixtures thereof and the at least one polymer may be selected from the group consisting of a polyester, pyrrolidone, ester of an unsaturated alcohol, ether of an unsaturated alcohol, polyoxyethylenepolyoxypropylene block copolymer, and mixtures thereof. In one embodiment, the at least one solvent is benzyl benzoate and the at least one polymer is polyvinylpyrrolidone. A stable, nonaqueous suspension formulation that includes the nonaqueous, single-phase vehicle and an active agent, and a method of forming the same, are also disclosed.

Abstract: An improved air filter element is provided with an anti-crown support grid on a clean side of the filter media. The support grid includes one or more elongated mounting members provided along periphery portions of the grid and at least one support rib spanning between and secured at opposing ends to the mounting members. The mounting members are embedded within a peripheral seal frame. The support grid may include at least one alignment feature sized, configured and positioned to be receivable into a complimentary feature of a housing so as to positionally lock the filter element and the housing.

Abstract: An osmotic delivery system flow modulator includes an outer shell constructed and arranged for positioning in an opening, an inner core inserted in the outer shell, and a fluid channel having a spiral shape defined between the outer shell and the inner core. The fluid channel is adapted for delivery of an active agent formulation from the reservoir of the osmotic delivery system.

Abstract: An osmotic delivery system flow modulator includes an outer shell constructed and arranged for positioning in an opening, an inner core inserted in the outer shell, and a fluid channel having a spiral shape defined between the outer shell and the inner core. The fluid channel is adapted for delivery of an active agent formulation from the reservoir of the osmotic delivery system.

Abstract: A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment. The at least one solvent may be selected from the group consisting of benzyl benzoate, decanol, ethyl hexyl lactate, and mixtures thereof and the at least one polymer may be selected from the group consisting of a polyester, pyrrolidone, ester of an unsaturated alcohol, ether of an unsaturated alcohol, polyoxyethylenepolyoxypropylene block copolymer, and mixtures thereof. In one embodiment, the at least one solvent is benzyl benzoate and the at least one polymer is polyvinylpyrrolidone. A stable, nonaqueous suspension formulation that includes the nonaqueous, single-phase vehicle and an active agent, and a method of forming the same, are also disclosed.

Abstract: A tuned acoustic attenuation device includes a housing defining a chamber within with air inlet and outlet channels opening into the chamber. An acoustic chamber or chambers are arranged on an exterior wall of or alternately within the housing and positioned to extend in a substantially lateral parallel relationship to the inlet or outlet channel and are configured as quarter wave tuners. The acoustic chambers may be realized within the housing by adapting housing stiffening support ribs of the housing. The acoustic attenuation characteristics of individual acoustic chambers cooperate to broaden the sound attenuation bandwidth or increase the attenuation at selected noise frequencies.