Patent application number | Description | Published |
20150027681 | HVAC CONTROLLER HAVING ECONOMY AND COMFORT OPERATING MODES - An HVAC controller may be programmed to control an HVAC system according to a comfort mode and an economy mode. When the HVAC system is operating according to the comfort mode, the HVAC system may primarily draw energy from a locally generated energy source or local energy storage system. The HVAC controller may be programmed to transition the HVAC system from operating according to the comfort mode to operating according to an economy mode, wherein the economy mode is a more energy efficient that the comfort mode | 01-29-2015 |
20150032264 | AIR QUALITY BASED VENTILATION CONTROL FOR HVAC SYSTEMS - An HVAC controller and/or server may be programmed to determine if ventilation of a building is desired based, at least in part, on the one or more user-specified air quality thresholds stored in a memory, and one or more of a measure of indoor air quality and a measure of outdoor air quality. The air quality parameter threshold may relate to an air quality index, an air pollutant concentration, a smog alert, a pollen count, a dew point, a chance of precipitation, and/or the like. In addition, the HVAC controller and/or server may take into account current or future weather conditions when determining the ventilation needs of a building. Upon determining that ventilation is needed or recommended, the HVAC controller may send or display a message to the user. The message may recommendation that the user open a window or operate a ventilation system, as desired. | 01-29-2015 |
Patent application number | Description | Published |
20110067851 | BYPASS HUMIDIFIER WITH DAMPER CONTROL - An improved humidifier system for adding humidity to an air stream of an HVAC system. The humidifier system includes an air path that is configured to accept air from a first HVAC duct and return air to a second HVAC duct. A damper is disposed in the air path to selectively substantially block the flow of air in the air path, or to substantially not block the flow of air in the air path. In some cases, the damper may be a motorized damper, and the humidifier system may include a controller that is configured to cause the motorized damper to not substantially block the flow of air in the air path during a call for humidifier operation, and to substantially block the flow of air in the air path after the call for humidifier operation ends. Alternatively, the damper may be manually actuated, and an HVAC controller may be configured to notify when the damper should be moved (e.g. between seasons). | 03-24-2011 |
20110068486 | HUMIDIFIER WITH VARIABLE WATER DELIVERY - A humidifier for adding humidity to an air stream of an HVAC system during a call for humidity includes an air intake configured to fluidically interface with an HVAC duct, a humidifier pad, a valve for controlling delivery of water from a water source to the humidifier pad, and a controller for controlling the valve. The controller may be configured to cause the valve to deliver a variable amount of water over a particular call for humidity. For example, and in some instances, the controller may cause the valve to deliver water to the humidifier pad for substantially less than all of the time for a particular call for humidity. | 03-24-2011 |
20110068490 | HUMIDIFIER WITH VERSATILE HUMIDIFIER PAD ACCESS - A humidifier for an HVAC system includes a replaceable humidifier pad, and a housing for holding the replaceable humidifier pad in an operating position during operation of the humidifier. The back side of the housing may define an air flow aperture that is in fluid communication with the replaceable humidifier pad when the replaceable humidifier pad is in its operating position. In some instances, the right side of the housing may define a first aperture that is sufficient in size to remove the replaceable humidifier pad from the housing, and to install a new replaceable humidifier pad. Likewise, the left side of the housing may define a second aperture that is sufficient in size to remove the replaceable humidifier pad from the housing, and to install a new replaceable humidifier pad. The humidifier may also include a first cover member for covering the first aperture when the replaceable humidifier pad is in its operating position, and a second cover member for covering the second aperture when the replaceable humidifier pad is in its operating position. In some cases, an aperture and cover may also be provided on the front and/or top sides of the housing so that the replaceable humidifier pad may be replaced from the front and/or top sides of the housing. | 03-24-2011 |
20110068491 | HUMIDIFIER COMPONENTS FOR PAD ACCESS - A humidifier pad assembly for a humidifier that is configured for adding humidity to an air stream of an HVAC system of a building or other structure. The humidifier pad assembly may include a frame for holding a replaceable humidifier pad within the housing of the humidifier. The frame may be structured to hold the replaceable humidifier pad within the housing such that a back major surface of the replaceable humidifier pad generally faces the back side of the housing, and a front opposing major surface of the humidifier pad generally faces the front side of the housing. The frame may further be structured to permit removal and replacement of the replaceable humidifier pad through the front side of the frame. In some cases, the housing may be configured such that the frame (and the replaceable humidifier pad) may be slid out of apertures in the right side and/or left side of the housing. In some instances, the humidifier may include a drain funnel structured to collect water from substantially the entire bottom side of the frame and direct the water to a water drain. The drain funnel may be structured to allow the frame to be slidably moved (e.g. in the left and/or right direction) relative to the drain funnel and removed from the housing through at least one of the left side or the right side of the housing. In some cases, a water distributor is releasably attachable to the frame along a top side of the frame. | 03-24-2011 |
20130226352 | HVAC CONTROLLER WITH INDOOR AIR QUALITY SCHEDULING - An HVAC controller, such as a thermostat, may be configured to allow a user to set and/or select schedule time period in which one or more indoor quality units (e.g. humidification, dehumidification, ventilation, etc.) will or will not operate, and/or will operated but using different settings. In some cases, the schedule time periods available for selection may correspond to the time periods of a programmable temperature schedule of the HVAC controller, but this is not required. In some instances, the HVAC controller may allow a user to select which indoor air quality units will or will not operate, and/or what settings the indoor air quality units will operate, during a user's vacation. | 08-29-2013 |
Patent application number | Description | Published |
20100300698 | WIRED SLIP JOINT - Embodiments of the invention disclose systems, apparatuses, and methods of measurement performed by pipe conveyed tools. In an embodiment, a system for evaluation of a well bore includes a drill string assembly comprising a plurality of pipe joints, a wired slip joint coupled to the plurality of drill pipe, the slip joint movable from a retracted position to an extended position to compensate for changes in length of the drill string, the extended position having a length greater than the retracted position; a sensor positioned in the slip joint, wherein the sensor detects a change in length of the slip joint and generates a signal representative of a position of the slip joint, and a communication system to transmit the signal from the slip joint to a surface processor. | 12-02-2010 |
20110079391 | COOLING APPARATUS AND METHODS FOR USE WITH DOWNHOLE TOOLS - Cooling apparatus and methods for use with downhole tools are described. An example apparatus includes a cooling apparatus for use with a downhole tool. The cooling apparatus includes a flow passage having an inlet and an outlet. The outlet is configured for fluid communication with a wellbore and the inlet is spaced from the outlet. The cooling apparatus also includes a pump configured to convey at least one of a drilling fluid or a formation fluid between the inlet and the outlet. Additionally, the cooling apparatus includes a heat exchanger coupled to a surface adjacent the flow passage and a component of the downhole tool to convey heat from the component to the cooling fluid. | 04-07-2011 |
20120279702 | Formation Testing - An example downhole tool configured for conveyance in a wellbore extending into a subterranean formation comprises a first fluid communicator configured to allow drilling fluid communication with an annulus between the downhole tool and the wellbore, a second fluid communicator configured to direct formation fluid to the annulus, and a formation testing device disposed deeper in the wellbore relative to the first fluid communicator and configured to pump formation fluid from the formation to the second fluid communicator. At least one of the first and second fluid communicators comprises a jet pump. | 11-08-2012 |
20130133885 | Formation Fluid Sampling - An apparatus disclosed herein includes a downhole tool having a body defining an interior bore and an exterior surface. The example apparatus also includes first and second fluid ports to provide respective fluid paths between the exterior surface and the interior bore. The first fluid port is to receive wellbore fluid from an annulus of a wellbore in which the downhole tool is to be disposed and the second fluid port is to receive formation fluid extracted from a subterranean formation. The formation fluid is to mix with the wellbore fluid to form an output mixture in the interior bore. The example apparatus also includes a controller to control a concentration of the formation fluid in the output mixture. | 05-30-2013 |
20140332202 | Power Pumping System And Method For A Downhole Tool - A system and a method are disclosed herein that relate to powering a pumping system within a downhole tool. The system may include a turbine having a shaft extending therefrom, in which the turbine is configured to convert energy from a fluid received therein into rotational energy for the shaft. The system may further include a pumping system coupled to the shaft of the turbine, in which the pumping system includes one or more driving devices coupled to one or more displacement units. The displacement units may have a cavity formed therein, in which the cavity is configured to receive a fluid therein. The driving devices may then be configured to drive the displacement units such that the fluid is received within the cavity of the displacement units. | 11-13-2014 |
Patent application number | Description | Published |
20130267919 | SOLENOID ACTIVATED VACUUM CONTROL DEVICE - The invention herein applies generally to General-purpose, Surgical and Tracheal suction regulators. In one embodiment of the invention, at least one micro-latching valve is opened and closed by at least one solenoid electromechanical actuator. The micro-latching solenoid valve in turns opens and closes at least one main valve that is connected the hospital vacuum or gas intake conduit. The latching nature of the solenoid, along with its low power activation allows for a battery powered, long-life device. Timing and control of the electromechanical actuator is performed by a low power micro-controller. This provides opportunity for highly accurate timing cycles, user adjustable timing intervals and feedback loop control operations. The invention also features a wireless suction control system of many suction regulators comprising a network. Wherein the plurality of wireless suction regulators are linked to at least one router with at least one wireless transmitter, and the network is linked through the router to the internet. | 10-10-2013 |
20140254305 | AUTO-CONTROLLED AIR-OXYGEN BLENDER - A gas mixing apparatus comprising an oxygen input-source, the oxygen input-source further comprising an oxygen sensor, a gas input-source, the gas input further comprises a first gas flow sensor and a combined gas output-source. The gas output source further comprises a second gas flow sensor. The gas mixing apparatus further comprise an electronic mixing-valve, the electronic mixing valve adapted to be controlled by an input-knob or by a CPU. Wherein, the electronic mixing valve, responds to a CPU, the CPU adapted to receive signals from an accelerometer, an oxygen sensor, a gas flow sensor, an input-knob, a digital input source, and a wireless transceiver; wherein said CPU controls said electronic mixing valve by comparing stored preset values and adjusting said electronic mixing valve through a feedback loop. The method of precisely mixing gas and oxygen comprising the steps of using an electronic mixing valve; said electronic mixing valve adapted to receive processed signals from a CPU. Wherein said CPU creates a feedback loop by receiving signals from an accelerometer, an oxygen sensor, a gas flow sensor, a pulse oximeter, an input-knob, a digital input source, and a wireless transceiver. | 09-11-2014 |
Patent application number | Description | Published |
20110107909 | PISTON SEAL GUIDE BEARING - A priming piston reciprocating pump | 05-12-2011 |
20110168268 | Elevator control for inductor pump - An inductor pump system comprises a fluid activated ram, an inductor pump platen, a fluid activated motor and a fluid control. The inductor pump platen is driven by the fluid activated ram. The fluid activated motor is coupled to the platen. The fluid control comprises an inlet for receiving a source of pressurized fluid, a first circuit and a second circuit. The first and second circuits are configured to receive pressurized fluid from the inlet. The first circuit comprises a switching valve connected to the inlet; an actuator line connected to the ram and the switching valve; and a blow-off line connected to the inductor pump platen and the switching valve. The second circuit is connected to the inlet to receive pressurized fluid and to the motor. | 07-14-2011 |
20110171042 | Non-rotating single post ram for inductor pump - An inductor pump system comprises a pump system, a ram system and a bearing assembly. The pump system includes a platen configured to engage a container. The ram system comprises a cylinder configured to support the pump system, and a piston extendable from the cylinder to vary axial positioning of the platen with respect to the container. The bearing assembly links the piston to the cylinder and is configured to prevent rotation of the pump system with respect to the ram system. | 07-14-2011 |
20120091145 | Modular platen assembly for inductor pump - A modular platen assembly comprises an annular hub, a wiper ring assembly and a coupling ring. The annular hub is for connecting to a ram of an inductor pump. The wiper ring assembly includes an annular wiper for sealing with a container. The coupling ring is independently joined to the hub and the wiper ring assembly at first and second connections, respectively. | 04-19-2012 |
20130105526 | VACUUM SYSTEM FEED ASSIST MECHANISM | 05-02-2013 |
20130112294 | HOT MELT TANK AND CHECK VALVE - A hot melt dispensing system includes a hot melt tank having a tank outlet, a flow passage extending from the tank outlet, and a check valve. The flow passage has a first end and a second end. The first end is adjacent the tank outlet. The check valve is positioned at the first end of the flow passage. | 05-09-2013 |
20130112312 | REVERSIBLE FLOW INDUCER - A hot melt dispensing system includes a container for storing adhesive pellets, a melt system for heating adhesive pellets into a liquid, and a feed system connecting the container to the melt system. The feed system includes a reversible flow inducer having a first position for directing air flow toward the melt system. The reversible flow inducer also has a second position for directing air flow toward the container. | 05-09-2013 |
20150023806 | ELEVATOR CONTROL FOR INDUCTOR PUMP - An inductor pump system comprises a fluid activated ram, an inductor pump platen, a fluid activated motor and a fluid control. The inductor pump platen is driven by the fluid activated ram. The fluid activated motor is coupled to the platen. The fluid control comprises an inlet for receiving a source of pressurized fluid, a first circuit and a second circuit. The first and second circuits are configured to receive pressurized fluid from the inlet. The first circuit comprises a switching valve connected to the inlet; an actuator line connected to the ram and the switching valve; and a blow-off line connected to the inductor pump platen and the switching valve. The second circuit is connected to the inlet to receive pressurized fluid and to the motor. | 01-22-2015 |