Patent application number | Description | Published |
20090138148 | Corrosion protection system - A system for corrosion protection is disclosed. The system includes at least one component subject to corrosion and forming a cathode element. An anode element is disposed proximate the at least one component. A reference element is provided proximate the at least one component and configured to provide a voltage signal. An engine control module is configured to control a marine engine, determine a real-time amount of current for protecting the at least one component from corrosion, and deliver the real-time amount of current to the anode element | 05-28-2009 |
20090139317 | Detecting coolant flow reduction for a marine engine system - A system for detecting a reduction in engine coolant flow rate is provided. The system includes a device configured to monitor at least one parameter associated with an engine, and a device configured to measure actual engine air intake manifold temperature. The system further includes a controller configured to determine a theoretical engine air intake manifold temperature based on the at least one monitored parameter, compare the theoretical engine air intake manifold temperature with the actual measured engine air intake manifold temperature, and generate a signal indicative of engine coolant flow rate. | 06-04-2009 |
20100095908 | Multi-thermostat engine cooling system - A cooling system for an engine is disclosed. The cooling system may have a pump driven by the engine to pressurize coolant, a single heat exchanger configured to cool pressurized coolant, and an aftercooler configured to transfer heat from air entering the engine to pressurized coolant. The cooling system may also have a multi-thermostat arrangement configured to always direct at least a portion of the pressurized coolant from the pump through the aftercooler, and selectively direct pressurized coolant from the pump through the single heat exchanger. The multi-thermostat arrangement may also be configured to selectively mix pressurized coolant from the aftercooler with a remaining portion of the pressurized coolant from the pump to form a coolant mixture, and to selectively direct the coolant mixture through the engine or around the engine. | 04-22-2010 |
20100126698 | Heat exchanger including selectively activated cathodic protection useful in sulfide contaminated environments - A heat exchange system including a heat exchanger having a housing and a cooling core disposed within in the housing. The cooling core is adapted to receive a flow of a liquid cooling media. The heat exchanger includes at least one iron anode projecting into a flow path of the liquid cooling media. The heat exchange system also includes an electronic control module operatively connected to the iron anode. The electronic control module is adapted to control the selective delivery of electrical current or grounding to the iron anode in response to predetermined conditions indicating the presence of sulfide constituents in the cooling medium. | 05-27-2010 |
20100195991 | APPARATUS AND CONTROL METHOD FOR A HYBRID TANKLESS WATER HEATER - An on demand tankless water heater system that is capable of quickly delivering water within a desired temperature range. The tankless water heater provides a hybrid heating method that contains a primary heating system and a secondary heating system disposed in a buffer tank that cooperate to facilitate control of output water temperature during water usage. A pressure differential switch detects low flow demand and allows the secondary heating system to provide immediate heating to the water. This secondary heating system provides a faster temperature response and fine tuning of output water temperature. | 08-05-2010 |
20100198417 | CONTROL SYSTEM METHODS FOR NETWORKED WATER HEATERS - Disclosed is a control system for controlling a plurality of fluidly and operably connected water heaters to meet a hot water demand such that overall efficiency is maximized and usage disparity between water heaters is minimized. There is further disclosed a method for detecting a small system demand in said network by adjusting the setting of each flow limiting valve of each water heater. There is still further disclosed a method for enabling seamless addition or removal of a heater in service and heating load distribution to water heaters. | 08-05-2010 |
20110041781 | COIL TUBE HEAT EXCHANGER FOR A TANKLESS HOT WATER SYSTEM - A novel water heat exchanger with a helix coil incorporated into a stainless steel elongated variable diameter cylindrical housing. A buffer tank is incorporated within the lumen of the helix coil. In one embodiment, the heat exchanger utilizes a radial direct-firing burner and a blower-driven hot flue gas to heat water for domestic and commercial use. In one embodiment, at least a rope seal is disposed between adjacent coil loops of a portion of the helix coil for enhancing heat transfer to the helix coil. In one embodiment, solar and electric heating systems are combined with the helix coil heat exchanger and disposed within the buffer tank to provide supplemental heating. In another embodiment, the heat exchanger further comprises a Stirling engine comprised of a free piston having hot and cold ends that is disposed within the cavity taken up the buffer tank, wherein the hot end receives heat from the burner and the cold end is cooled by the incoming cold water line to form an electric power generator. | 02-24-2011 |
20110042470 | USER ACTIVATED HOT WATER HEATER AND CONTROL SYSTEM - The present invention relates to a user activated hot water heater and control system for processing hot water to hot water output locations, e.g. faucet, shower, or the like, such that temperature fluctuations and delays in hot water delivery are reduced. Additionally, the temperature of the hot water delivered is adjusted to a predetermined value determined by a user signature constructed from a potential user physical attributes such as height, weight, and the like. The user activated feature of the present invention will provide an energy savings resulting from the smart, upon demand, activation of internal and/or external recirculation systems. Additionally, in preferred embodiments incorporating tank-less water heaters, the hot water maximum temperature, T(maximum) is dependent on the preference setting or default value of the detected general category user or unique individual user. The user dictated control of hot water heater T(maximum) value will not only further increase energy savings, but additionally provide a safety feature that helps protects heat sensitive people such as children, the elderly and the like from potential water burns. | 02-24-2011 |
20120073519 | HOT WATER SYSTEM CONFIGURATION, DESCALING AND HEATING METHODS THEREFORE - The present invention relates to a user activated hot water heater and control system for processing hot water to hot water output locations, e.g. faucet, shower, or the like, such that temperature fluctuations and delays in hot water delivery are reduced. The present invention provides energy savings resulting from smart activation of internal and/or external recirculation systems. Additionally, trickle flow is detected and responded to based on temperature responses at various points in the main flow line of the present configuration. Simultaneous internal and external recirculations are made possible with advantageous placement of a pump within internal and external recirculation loops and a solenoid valve within the internal recirculation loop. The present system further comprises a means for adjusting the pump action in response to a thermostatic valve, temperature sensors advantageously placed in the main flow line to reduce dead heading. | 03-29-2012 |
20120103282 | MULTI-THERMOSTAT ENGINE COOLING SYSTEM - A cooling system for an engine is disclosed. The cooling system may have a pump driven by the engine to pressurize coolant, a single heat exchanger configured to cool pressurized coolant, and an aftercooler configured to transfer heat from air entering the engine to pressurized coolant. The cooling system may also have a multi-thermostat arrangement configured to always direct at least a portion of the pressurized coolant from the pump through the aftercooler, and selectively direct pressurized coolant from the pump through the single heat exchanger. The multi-thermostat arrangement may also be configured to selectively mix pressurized coolant from the aftercooler with a remaining portion of the pressurized coolant from the pump to form a coolant mixture, and to selectively direct the coolant mixture through the engine or around the engine. | 05-03-2012 |
20120191256 | MASTERLESS CONTROL SYSTEM METHODS FOR NETWORKED WATER HEATERS - Disclosed is a masterless control system for controlling a plurality of fluidly and operably connected water heaters to meet a hot water demand such that overall efficiency is maximized and usage disparity between water heaters is minimized. There is further disclosed a method for detecting a small system demand in said network by adjusting the setting of each flow limiting valve of each water heater. There is still further disclosed a method for enabling seamless addition or removal of a heater in service and heating load distribution to water heaters. | 07-26-2012 |
20120191259 | CONTROL SYSTEM METHODS FOR NETWORKED WATER HEATERS - Disclosed is a control system for controlling a plurality of fluidly and operably connected water heaters to meet a hot water demand such that overall efficiency is maximized and usage disparity between water heaters is minimized. There is further disclosed a method for detecting a small system demand in said network by adjusting the setting of each flow limiting valve of each water heater. There is still further disclosed a method for enabling seamless addition or removal of a heater in service and heating load distribution to water heaters. | 07-26-2012 |
20130284116 | APPARATUS AND CONTROL METHOD FOR A HYBRID TANKLESS WATER HEATER - An on demand tankless water heater system that is capable of quickly delivering water within a desired temperature range. The tankless water heater provides a hybrid heating method that contains a primary heating system and a secondary heating system disposed in a buffer tank that cooperate to facilitate control of output water temperature during water usage. A pressure differential switch detects low flow demand and allows the secondary heating system to provide immediate heating to the water. This secondary heating system provides a faster temperature response and fine tuning of output water temperature. | 10-31-2013 |
20130284117 | APPARATUS AND CONTROL METHOD FOR A HYBRID TANKLESS WATER HEATER - An on demand tankless water heater system that is capable of quickly delivering water within a desired temperature range. The tankless water heater provides a hybrid heating method that contains a primary heating system and a secondary heating system disposed in a buffer tank that cooperate to facilitate control of output water temperature during water usage. A pressure differential switch detects low flow demand and allows the secondary heating system to provide immediate heating to the water. This secondary heating system provides a faster temperature response and fine tuning of output water temperature. | 10-31-2013 |
20130312671 | APPARATUS AND CONTROL METHOD FOR A HYBRID TANKLESS WATER HEATER - An on demand tankless water heater system that is capable of quickly delivering water within a desired temperature range. The tankless water heater provides a hybrid heating method that contains a primary heating system and a secondary heating system disposed in a buffer tank that cooperate to facilitate control of output water temperature during water usage. A pressure differential switch detects low flow demand and allows the secondary heating system to provide immediate heating to the water. This secondary heating system provides a faster temperature response and fine tuning of output water temperature. | 11-28-2013 |
20140124180 | COIL TUBE HEAT EXCHANGER FOR A TANKLESS HOT WATER SYSTEM - A heat exchanger having a helix coil incorporated into a stainless steel elongated variable diameter cylindrical housing and a radial direct-firing burner and a blower-driven hot flue gas to heat water. A buffer tank is incorporated within the lumen of the helix coil. At least one rope seal is disposed between adjacent coil loops of a portion of the helix coil for enhancing heat transfer to the helix coil. In one embodiment, the heat exchanger further comprises a Stirling engine comprised of a free piston having hot and cold ends that is disposed within the cavity taken up the buffer tank, wherein the hot end receives heat from the burner and the cold end is cooled by the incoming cold water line to form an electric power generator. | 05-08-2014 |
20140124181 | COIL TUBE HEAT EXCHANGER FOR A TANKLESS HOT WATER SYSTEM - A heat exchanger having a helix coil incorporated into a stainless steel elongated variable diameter cylindrical housing and a radial direct-firing burner and a blower-driven hot flue gas to heat water. A buffer tank is incorporated within the lumen of the helix coil. At least one rope seal is disposed between adjacent coil loops of a portion of the helix coil for enhancing heat transfer to the helix coil. In one embodiment, the heat exchanger further comprises a Stirling engine comprised of a free piston having hot and cold ends that is disposed within the cavity taken up the buffer tank, wherein the hot end receives heat from the burner and the cold end is cooled by the incoming cold water line to form an electric power generator. | 05-08-2014 |
20140326197 | COMBINED GAS-WATER TUBE HYBRID HEAT EXCHANGER - A heat exchanger having a cylindrical body comprising an upper section, a lower section, a side water jacket surrounding the upper and lower sections, a top water jacket disposed atop the upper section and a gas exhaust disposed below the lower section. A water cavity is disposed substantially in the lower section while a gas cavity having a burner is disposed substantially centrally within the gas cavity. A plurality of water tubes disposed in a ring formation, connect the water cavity through the gas cavity to the top water jacket and a plurality of gas tubes also disposed in ring formations, connect the gas cavity through the water cavity to the gas exhaust. At least one of the gas tubes ring has a diameter that is greater than that of the water tubes ring. | 11-06-2014 |
20150084749 | ROUTERLESS IDENTIFICATION CODE ASSIGNMENT SYSTEM AND METHOD - A system and method for uniquely self-identifying a controller functionally connected to a communication network of at least two controllers, the system comprising the at least two controllers, each controller having a random code generator configured for generating a resident identification code, a transmitter, a receiver and a volatile memory. The transmitter is configured for broadcasting the resident identification code to the communication network. The receiver is configured for receiving an external identification code broadcasted from another controller and storing the external identification code in the volatile memory. The external identification code is compared to the resident identification code and if a match exists, the resident identification code is replaced by another resident identification code determined in the controller. The resident identification code is broadcasted to the communication network otherwise. | 03-26-2015 |