Abstract: A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at a lower temperature than the other compartment. The lower temperature compartment is configured for mounting components that can be damaged by heat. The higher temperature compartment is configured for mounting heat generating components. An air stream is directed to flow from an ambient air inlet to an air outlet constantly so that there is always a fresh source of cooling air. The apparatus utilizes a PSA unit to produce an oxygen enriched product. The PSA unit incorporates a novel single ended column design in which all flow paths and valves can be co-located on a single integrated manifold. The apparatus also can be used in conjunction with a satellite conserver and a mobility cart.

Abstract: The invention is multi-port oxygen conserver design, particularly suited for general aviation applications. The novel conserver provides separate bolus control capability for multiple users from a common oxygen supply. Thus a mix of gas usage reduction modes can be employed depending on whether the user is a pilot or passenger, operating altitude, and availability of oxygen, while maintaining safe operation.

Abstract: A computer-implemented method for sending a message. The computer-implemented method also includes monitoring, using a first set of rules, for an event that triggers a message to be transmitted. The computer-implemented method further includes ascertaining, using a set of notification rules and at least one of a first present parameter and a first status parameter, whether a first user is capable of reviewing the message substantially immediately after the message is transmitted to the first user if the message is transmitted to the first user, the first present parameter indicating whether a first instant messaging client associated with the first user is currently online, the first status parameter indicating whether the first user is available for the reviewing.

Abstract: A method for substantially assuring the examination of a set of data elements by a first user with a messaging device, the set of data elements further comprising a metadata portion. The method further includes determining a set of data elements, each data element of the set of data elements further comprising a state. The method also includes creating a first set of rules for monitoring a change to the state, creating a second of rules for transforming the set of data elements from a first representation to a second representation, based in part on the metadata, and creating a third set of rules for optimizing the delivery of a notification to the first user, based in part on the first set of rules, the notification further comprising a link to the second representation. The method further includes sending the notification to the first user based in part on the third set of rules. And, if the first user does not redeem the second representation, the method includes sending the notification to a second user.

Abstract: A method for optimizing pen-based annotations on a non-pen enabled window. The method includes starting a visible non-pen-enabled window further including position indicia and size indicia; starting a transparent pen-enabled window; and associating the visible non-pen-enabled window with the transparent pen-enabled window based on the position indicia and size indicia. The method further includes aligning the transparent pen-enabled window with the visible non-pen-enabled window, and accepting user input comprising a message. If the message further includes pen indicia, the method also includes forwarding the message to the transparent pen-enabled window. Else, the method includes forwarding the message to the first application.

Abstract: A method for optimally maintaining the execution of a first application, wherein the first application is further configured to received a set of sequential data elements from a second application, and the set of sequential data elements further includes a first data element and a second data element. The method includes establishing a connection between the first application and the second application. The method further includes transmitting a request to send the set of sequential data elements; receiving the first data element from the second application; and determining if the connection is still active. If not, the method also includes reestablishing the connection; transmitting a request to the second application to resend the first data element; receiving the first data element; and, if necessary, receiving the second data element.

Abstract: A method for optimally monitoring a set of data elements for an event. The method includes determining a set of data elements, each of which further comprises a state. An event is commonly a change in this state. The method further includes creating a rule for monitoring the event, wherein the rule comprises an event identification portion resident on a first computer and an action portion resident on a second computer. The method also includes monitoring the set of data elements for the event based, in part, on the event identification portion, and determining if the event has occurred. If so, the method further includes sending the set of data elements to the second computer. The method also includes executing a set of actions, based in part, on the action portion. Thereafter, the method further includes monitoring the set of data elements based, in part, on the rule.

Abstract: A method of optimizing the delivery of a set of data elements to a device, the set of data elements further comprising a metadata portion. The method further includes determining a source of each element of the set of data elements, and creating a set of rules for transforming the set of data elements from a first representation to a second representation, based in part on the metadata. The method further includes transferring the set of data elements from the source to a first computer, transforming the set of data elements, based in part on the set of rules, and delivering the second representation to the device. Thereafter, the method includes monitoring the source for a change to the set of data elements. And, if required, the method further includes transferring the change from the source to the first computer.

Abstract: A method of transferring a set of data elements to a recipient on a network, the network includes a set of devices registered to the recipient. The method also includes receiving the set of data elements. The method further includes ascertaining if the first device is present on the network and if the first user is available via the first device based on status information received via set network. If the first device is present on the network and if the first user is available via the first device, the method includes transferring the set of set of data elements to the first device. And, if the first device is not present on the network or if the first user is not available via the first device, the method further includes transferring the set of set of data elements to the second device if the second device is present on the network and if the first user is available via the second device.

Abstract: A gas fractionalization apparatus and methods for providing oxygen rich air to patients are disclosed. The apparatus comprises a variable output compressor, a PSA unit, a control system, and one or more pressure sensing devices. Pressure of the oxygen rich gas is maintained within a selected window by adjusting the output of the compressor in response to changes in the pressure of the oxygen rich gas. Methods of feedback control are further provided for calibration of the compressor under factory and in-service conditions, as well as under high-altitude conditions. Methods for providing diagnostic estimates and alarms of time to service are further provided.

Abstract: A apparatus for delivering oxygen to a patient is provided. The apparatus includes a gas source such as an oxygen concentrator and a portable intelligent controller that is movable relative to the gas source and operable over a distance from the gas source. The portable intelligent controller is compact, lightweight and configured to remotely monitor and control one or more functions of the gas source. The functions include compressor speed, product gas production rate, valve timing, power supply and the like. The portable intelligent controller also has a user interface which allows the user to remotely adjust one or more settings of the gas source. In some implementations, the portable intelligent controller also includes a satellite conserver, which delivers oxygen in metered amounts in response to sensed breaths of the patient.

Abstract: In an embodiment, the invention is an improved interface to a conserver for therapeutic gas delivery. The improved circuit allows for fine control of the frequency response of a feedback element, which permits a high gain interface. The result is excellent compensation of transducer drift with little distortion of the frequencies of interest for breath detection, even for low breath pressure scenarios.

Abstract: An asymmetric complete-expansion thermodynamic engine cycle is provided by an engine which compresses an air/fuel mixture to a given ratio, ignites and combusts the mixture, and expands the products through a power stroke to a volume substantially larger than the compression volume before being vented and purged to the atmosphere. This cycle is performed by a non-axisymmetric main rotor revolving within a cylindrical housing. Sealing means associated with the main rotor provide for the varied compression and expansion volumes. The cylindrical housing also contains means for air intake, fuel injection, venting, and spent gas exhaust porting.

Abstract: A system for delivering therapeutic breathing gas to patients is provided to deliver a variable bolus volume in response to the patient's breathing pattern. The system includes a gas source, a conserver between the gas source and the patient, a sensor which detects breaths by the patient and a controller which receives signals from the sensor and triggers delivery of gas boluses in accordance with predefined triggering parameters, with the controller determining the time elapsed since the last bolus was triggered and altering the triggering parameters as a function of the elapsed time.

Abstract: A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at a lower temperature than the other compartment. The lower temperature compartment is configured for mounting components that can be damaged by heat. The higher temperature compartment is configured for mounting heat generating components. An air stream is directed to flow from an ambient air inlet to an air outlet constantly so that there is always a fresh source of cooling air. The apparatus utilizes a PSA unit to produce an oxygen enriched product. The PSA unit incorporates a novel single ended column design in which all flow paths and valves can be co-located on a single integrated manifold. The apparatus also can be used in conjunction with a satellite conserver and a mobility cart.

Abstract: A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at a lower temperature than the other compartment. The lower temperature compartment is configured for mounting components that can be damaged by heat. The higher temperature compartment is configured for mounting heat generating components. An air stream is directed to flow from an ambient air inlet to an air outlet constantly so that there is always a fresh source of cooling air. The apparatus utilizes a PSA unit to produce an oxygen enriched product. The PSA unit incorporates a novel single ended column design in which all flow paths and valves can be co-located on a single integrated manifold. The apparatus also can be used in conjunction with a satellite conserver and a mobility cart.

Abstract: A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at a lower temperature than the other compartment. The lower temperature compartment is configured for mounting components that can be damaged by heat. The higher temperature compartment is configured for mounting heat generating components. An air stream is directed to flow from an ambient air inlet to an air outlet constantly so that there is always a fresh source of cooling air. The apparatus utilizes a PSA unit to produce an oxygen enriched product. The PSA unit incorporates a novel single ended column design in which all flow paths and valves can be co-located on a single integrated manifold. The apparatus also can be used in conjunction with a satellite conserver and a mobility cart.

Abstract: A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at a lower temperature than the other compartment. The lower temperature compartment is configured for mounting components that can be damaged by heat. The higher temperature compartment is configured for mounting heat generating components. An air stream is directed to flow from an ambient air inlet to an air outlet constantly so that there is always a fresh source of cooling air. The apparatus utilizes a PSA unit to produce an oxygen enriched product. The PSA unit incorporates a novel single ended column design in which all flow paths and valves can be co-located on a single integrated manifold. The apparatus also can be used in conjunction with a satellite conserver and a mobility cart.

Abstract: A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at a lower temperature than the other compartment. The lower temperature compartment is configured for mounting components that can be damaged by heat. The higher temperature compartment is configured for mounting heat generating components. An air stream is directed to flow from an ambient air inlet to an air outlet constantly so that there is always a fresh source of cooling air. The apparatus utilizes a PSA unit to produce an oxygen enriched product. The PSA unit incorporates a novel single ended column design in which all flow paths and valves can be co-located on a single integrated manifold. The apparatus also can be used in conjunction with a satellite conserver and a mobility cart.