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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
81	Furnace ignition system with draft control and loss-of-draft protection	US959765	1978-11-13	US4239477A	1980-12-16	Thomas E. Hayes
A furnace ignition and draft control system includes a damper plate movable under control between a closed and an open position. When a call for heat signal is generated, a holding relay is actuated to energize a damper motor to open the damper provided the damper plate was closed when the signal was generated, otherwise the system will not operate. After the damper is run to the full open position and this is proved, a fuel control circuit is actuated to supply fuel to the furnace, and a trial-for-draft period is initiated. A draft controller energizes the damper motor to open the damper if draft is less than a first predetermined value and to close the damper if draft is greater than a second predetermined value. The predetermined draft values define a desired draft range in which the damper is not operated. If a draft greater than the second value is sensed within the trial period, the draft controller partially closes the damper to control the draft value within the desired draft range, otherwise the system locks out at the end of the trial period. If draft is lost at any time, the controller moves the damper to the open position and a loss-of-draft safety timing period commences. If draft is not reestablished during this period, the system shuts off the fuel and locks out. If the call for heat is satisfied, the system closes the damper and is prepared for another operating cycle, having tested the operativeness of all major components without failure. Any failure would have locked the system out.
82	Method and apparatus for controlling furnace	US885867	1978-03-13	US4189296A	1980-02-19	Thomas E. Hayes
A control system for use with gas-fired appliance installations, such as a furnace, includes a switch responsive to normal draft levels in the vent stack. At the start of a heating cycle, and in the absence of draft, the switch permits a pre-draft enabling circuit to tentatively enable the furnace controller for a predetermined time. The controller opens a stack damper plate and actuates the ignition system and gas valves of the furnace. If draft is not established within the predetermined time, the pre-draft enabling circuit times out and the gas is shut off. If normal draft is sensed within the predetermined time, the draft responsive switch permits the furnace controller to be operated as long as the thermostat calls for heat. If, for any reason, draft subsequently stops, the control system re-cycles itself; and if draft is not re-established before the pre-draft enabling circuit times out, the system deactivates the furnace controller. The control system also includes a normally closed barometric damper, which is mounted in the vent stack and is responsive to both excessive positive pressure and to excessive draft (sub-ambient pressure) to open, and thereby neutralize the excessive positive pressure or draft.
83	Control of multiple fuel streams to a burner	US841510	1977-10-12	US4144997A	1979-03-20	John E. Anderson; Robert H. Kallenberger
The control of the flow rates of multiple fuel streams to furnace burners is accomplished by manipulating the flow rate of each fuel stream in response to a calculation of the heat duty which must be supplied by the respective fuel stream. Where the supply of a preferred fuel is variable, the flow rate of the other less preferred fuel stream is varied in response to changes in available supply of the preferred fuel to insure that sufficient fuel is available to the burners to maintain a required process temperature.
84	Burner control system	US744378	1976-11-23	US4102630A	1978-07-25	Hans Per Reinhold Edman
A burner control system includes a pump for supplying pressurized fuel through a fuel line and a signal-responsive flow valve to a burner nozzle. Also in the system is an ignition control circuit which includes an igniter operable in response to a first signal in the circuit to ignite the fuel. A flame-detecting cell in the circuit causes the termination of the first signal so as to deactivate the igniter when combustion occurs. A second or auxiliary circuit operatively connected to the ignition control circuit includes a first switch responsive to the first signal in the ignition control circuit to cause a second signal to be transmitted to the flow valve for opening the valve to allow pressurized fuel to flow to the nozzle. A second switch in the second circuit serves as an alternate circuit for transmitting the second signal to the flow valve. The second switch is responsive to the pressure of the fuel in the line so that, in the absence of the first signal, the second signal is transmitted to the flow valve only as long as the fuel pressure is maintained above a predetermined high pressure.
85	Automatic stack damper	US605948	1975-08-19	US4039123A	1977-08-02	Seymour Frankel
An improvement in a system comprising a heat stack, a damper having a vane in said heat stack, actuating means for opening and closing said damper, the actuating means being electrically connected to and responsive to a thermostat in an electrical circuit containing the heating means for generating heat, the by-products from which pass through the heat stack, the improvement residing in that the actuating means comprises an electric motor which is spring biasedly connected to the vane, the electric motor being in a normally "On" position having current passing therethrough and holding said vane against the action of said spring in a closed position. Means are provided to deactivate the motor and allow the spring to return the vane so that the stack is in an open position.
86	Cyclonic, multiple vortex type fuel burner with air/fuel ratio control system	US632205	1975-11-17	US4033505A	1977-07-05	Kenneth Vaughn Lutes; Leland Golde Desmon; Edward Dana Dodge
A cyclonic, multiple vortex type fuel burner having a combustion chamber with a closed curved end, with the main fuel and auxiliary fuel and air being tangentially injected into the chamber adjacent to the curved end creating a circular oriented combustion of the fuel, with the air being injected at varying quantities along the length of the combustion chamber, all to provide a controlled temperature in the burner chamber that burns all the combustible materials in the fuel and turns the non-combustible materials into dry slag or wet slag without burning the refractory materials forming the combustion chamber. The burner feeds a volume of air and fuel through fixed openings into the combustion chamber to provide a preset fuel/air ratio disribution along the length of the combustion chamber. This fuel/air ratio is subject to change with changes in the amount or density of fuel fed to the burner. To maintain the controlled temperature under the changing fuel conditions, the fuel is carried by a positive displacement air system through which a control system determines the weight of the fuel being carried, and sets the volume of air to correspond thereto to provide the desired fuel/air ratio.
87	Furnace draft control for a steam generator	US615329	1975-09-22	US4004730A	1977-01-25	Robert R. Walker
A furnace draft control for a fossil fuel fired steam generator wherein the rates of flow of fuel, air and flue gas are adjusted in parallel in accordance with changes in power demand and the forced and induced drafts are adjusted in opposite directions as required to maintain furnace draft at set point.
88	Control arrangement fail-safe timing circuit	US447165	1974-03-01	US3970864A	1976-07-20	Russell B. Matthews
A fail-safe timing circuit energizable in response to a starting signal for activating a system, such as a fuel ignition system or an air conditioning system, includes a first switching circuit responsive to the request signal to activate the system to commence its operation tentatively, a time-out circuit responsive to the starting signal for generating a time-out signal after a predetermined time delay interval, a circuit responsive to a system variable such as the establishment of a flame in a fuel ignition system or the sufficient increase in oil pressure of a compressor in an air conditioning system becoming a predetermined condition, such as the flame occurring or the compressor oil pressure achieving a given desired value, for preventing the time-out circuit from generating its time-out signal, and a second switching circuit for causing the first switching circuit to de-activate the system in response to the time-out signal. As a result, the system is prevented from operating in an undesirable or unwanted manner should the system variable not reach the predetermined condition within the timing interval.
89	Control of steam generators	US44544465	1965-04-05	US3300133A	1967-01-24	EDWARD DINES CHARLES

90	Metered combustion air supply system	US44830465	1965-04-15	US3294146A	1966-12-27	VOORHEIS TEMPLE S

91	Method and apparatus for controlling combustion	US16087561	1961-12-20	US3223326A	1965-12-14	LIVINGSTON WILLIAM L

92	Burner control apparatus	US33510664	1964-01-02	US3223138A	1965-12-14	BROWN RICHARD W

93	Reduction in situ of a dipolar molecular gas adhering to a substrate	US16927662	1962-01-29	US3152932A	1964-10-13	EDWIN MATOVICH
Monocrystalline semi-conductor material, such as germanium, is produced from a gas phase by exposing a substrate to a stream of gas containing molecules which include reducible atoms of the semi-conductor material, at a temperature at which the molecules adhere to the substrate surface but do not decompose, and then reducing the atoms of the molecules adhering to the substrate surface followed by epitaxial growth, on the reduced atoms, of additional semi-conductor material from the gas until the desired thickness is obtained. In one embodiment, Fig. 1, germanium tetrachloride in a dry deoxidized hydrogen stream, in a concentration of about 0.1 mol per cent, is passed over a quartz substrate 23, heated to 500 DEG C., producing an adherent film of HGeCl3. The film is reduced to a germanium film in dry, deoxidized hydrogen at 650 DEG C. and the quartz surface is then exposed to a stream of GeCl4 in H2, as before, together with 0.001 mol per cent of boron tribromide at 500 DEG C. to deposit epitaxially P-type germanium on the germanium-coated quartz surface. The flow of BBr3 is interrupted and a stream of PCl3 is substituted, growing an additional epitaxial layer of N-type germanium. Other possible dopant sources are AsCl3 and AsBr3. A further embodiment, Fig. 3 (not shown), utilizes an intermediate oxidation step providing a mask for producing epitaxial growth on selected areas. In this case an anodized molybdenum or tungsten substrate is provided with a polar gas film by exposure to SiCl4 gas in H2 at between 730-910 DEG C., which is then reduced to silicon in a hydrogen stream at 950 DEG C., so producing a silicon film on the anodized surface. The silicon film is then oxidized to SiO2 by exposure to water vapour or oxygen and, after selective etching in hydrofluoric acid, epitaxial growth through the masking pattern is continued, providing a film of HSiCl3. BBr and subsequently PCl3 gases are introduced at this stage, providing the necessary doping to form p-n junctions.
94	Water-flow gas control device	US75650758	1958-08-21	US2972445A	1961-02-21	ERNST KEPPEL

95	METHOD AND APPARATUS FOR CONTROLLING COMBUSTION IN A FURNACE	EP14871325	2014-12-17	EP3090211A4	2018-03-14	KORTELA JUKKA
This paper presents a model predictive control (MPC) strategy for BioGrate boiler, compensating the main disturbances caused by variations in fuel quality such as the moisture content of fuel, and variations in fuel flow. The MPC utilizes models, the fuel moisture soft-sensor to estimate water evaporation, and the fuel flow calculations to estimate the thermal decomposition of dry fuel, to handle these variations, the inherent large time constants, and long time delays of the boiler. The MPC strategy is compared with the method currently used in the BioPower 5 CHP plant. Finally, the results are presented, analyzed and discussed.
96	METHOD AND APPARATUS FOR CONTROLLING COMBUSTION IN A FURNACE	EP14871325.8	2014-12-17	EP3090211A1	2016-11-09	KORTELA, Jukka
This paper presents a model predictive control (MPC) strategy for BioGrate boiler, compensating the main disturbances caused by variations in fuel quality such as the moisture content of fuel, and variations in fuel flow. The MPC utilizes models, the fuel moisture soft-sensor to estimate water evaporation, and the fuel flow calculations to estimate the thermal decomposition of dry fuel, to handle these variations, the inherent large time constants, and long time delays of the boiler. The MPC strategy is compared with the method currently used in the BioPower 5 CHP plant. Finally, the results are presented, analyzed and discussed.
97	WALL MOUNTED PELLET STOVE	EP13768287.8	2013-03-07	EP2831509A1	2015-02-04	JONES, August S.L.
A wood pellet stove (100) operable to mount to a wall includes a combustion chamber (104), a combustion chamber door (408), and a hopper (106). The combustion chamber (104) has a front, back, and side. The combustion chamber door (408) is in the front of the combustion chamber (104). The hopper (106) is mounted at the side of the combustion chamber (104). The bottom of the hopper (106) is below a top of the combustion chamber (104), and a top of the hopper (106) is substantially coplanar with the top of the combustion chamber (104). The stove (100) may also include a sight glass or fuel level monitoring system for determining a fuel level of the hopper (106) without opening the hopper (106).
98	REGELEINRICHTUNG FÜR GASBRENNER	EP99927777.5	1999-05-27	EP1082575A1	2001-03-14	VEGTER, Derk
Regulating devices for gas burners are used to provide a gas/air mixture for a burner. Regulating devices are also known which have a variable transmission ratio between gas pressure and combustion air pressure or gas flow and combustion air flow. The required measurement of pressure in all known regulating devices is carried out pneumatically. The inventive regulating device has a sensor (19) that generates an electrical or electronic signal (22) and that is arranged between a first line guiding the gas flow and a second line (14) guiding a combustion air flow. The regulating device is also fitted with a summation device (26) that calculates the electrical or electronic signal (22) of the sensor (19) using an auxiliary signal (27). A regulating signal (24) generated from an output signal (30) of the summation device (26) is used to alter the gas flow.
99	Regelvorrichtung für einen Brenner mit einem Gehäuse für die Verbrennungsluft	EP96100271.4	1996-01-10	EP0733857B1	1998-11-25	Besser, Ulrich, Ing.; Welte, Christian, Dipl.-Ing.; Schmidt, Ernst, Dipl.-Ing.; Boettcher, Arno, Dipl.-Ing.; Hosch, Manfred, Dipl.-Ing.; Schmidl, Matthias, Ing.

100	Gasregeleinrichtung zur Regelung der Brenngas- und Oxidanszufuhr zu einem Brenner bei einem Atomabsorptions-Spektrometer	EP86111215.9	1986-08-13	EP0212567B1	1990-04-11	Huber, Bernhard

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