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公开(公告)号：US11998141B2
公开(公告)日：2024-06-04
申请号：US17322189
申请日：2021-05-17
发明人： Terry Witzel , Colin Kirvan
CPC分类号： A47J37/0704 , F23K3/22 , F23L5/02 , F23J1/00 , F23J1/06 , F23J2700/00 , F23J2700/001 , F23J2700/003 , F23K2203/202 , F23K2900/00
摘要： A cooking apparatus, having a body defining an interior cooking chamber for cooking food, a pellet supply portion coupled to the body and including a hopper for storing fuel, a combustion chamber for burning the fuel and heating the cooking chamber, a feeding mechanism for supplying fuel from the hopper to the combustion chamber, and a removable collection receptacle located below the combustion chamber. The apparatus also includes an ash-shaker located between the collection receptacle and the combustion chamber, the ash-shaker including an external actuator that controls one or more moving elements located in the combustion chamber, wherein movement of the moving elements encourages unburned debris in the combustion chamber to fall into the receptacle, after which the collection receptacle can be removed and the unburned debris discarded.
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公开(公告)号：US11940147B2
公开(公告)日：2024-03-26
申请号：US17836158
申请日：2022-06-09
发明人： Stuart C. Black , David M. Hopley , Philip Eadie
摘要： A blown air heating system has a housing having an upstream air inlet and a downstream air outlet and a forced-air device configured to draw air into the housing via the air inlet and force the air out of the housing via the air outlet, wherein the air follows an airflow path from the air inlet to the air outlet. A gas burner is configured to heat the air as it passes through the housing. A gas valve is configured to provide a fuel gas to the gas burner, and the gas valve is located between the air inlet and the air outlet and in the airflow path. A baffle is in the airflow path, and the baffle is configured to divert the flow of air away from at least part of the gas valve.
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公开(公告)号：US11873836B2
公开(公告)日：2024-01-16
申请号：US16808799
申请日：2020-03-04
发明人： Steven W. Post , Michael D. Smith
IPC分类号： F04D29/42 , F23D14/66 , F04D29/62 , F24H1/20 , F04D29/08 , F23L17/00 , F23D14/34 , F04D17/16 , F04D25/16 , F04D29/58 , F23L5/02
CPC分类号： F04D29/4206 , F04D29/083 , F04D29/4213 , F04D29/624 , F23D14/66 , F23L17/005 , F24H1/205 , F04D17/16 , F04D25/166 , F04D29/4226 , F04D29/5806 , F23D14/34 , F23L5/02 , F23N2239/04 , F23N2241/04 , Y02E20/34
摘要： A blower assembly for a gas-burning appliance includes a blower and a motor coupled to the blower and configured to turn the blower to provide airflow through the gas-burning appliance. The blower assembly also includes a housing enclosing the blower and the motor. The housing includes a first portion and a second portion coupled to the first portion. The first portion and the second portion define a cavity therebetween to receive the motor and the blower. The blower assembly further includes an inlet sleeve coupled between the first portion and the second portion. The inlet sleeve is configured to couple to the gas-burning appliance and receive the airflow from the gas-burning appliance. The blower assembly also includes a seal extending at least partially around the inlet sleeve and at least partially between the inlet sleeve and at least one of the first portion and the second portion.
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公开(公告)号：US20230408084A1
公开(公告)日：2023-12-21
申请号：US17836158
申请日：2022-06-09
发明人： Stuart C. Black , David M. Hopley , Philip Eadie
摘要： A blown air heating system has a housing having an upstream air inlet and a downstream air outlet and a forced-air device configured to draw air into the housing via the air inlet and force the air out of the housing via the air outlet, wherein the air follows an airflow path from the air inlet to the air outlet. A gas burner is configured to heat the air as it passes through the housing. A gas valve is configured to provide a fuel gas to the gas burner, and the gas valve is located between the air inlet and the air outlet and in the airflow path. A baffle is in the airflow path, and the baffle is configured to divert the flow of air away from at least part of the gas valve.
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公开(公告)号：US20230280030A1
公开(公告)日：2023-09-07
申请号：US18076395
申请日：2022-12-07
申请人： NORITZ CORPORATION
发明人： Mikihiro IWAMOTO , Ryosuke UMAKOSHI
CPC分类号： F23L5/02 , F04D17/16 , F04D29/666
摘要： An air blower and a combustion device including the air blower are provided.
An air blower includes an impeller housed in a casing and rotating. The impeller includes multiple blades to form multiple inter-blade passages, and a central space portion. When the impeller rotates, air flowing into the central space portion through an air intake port of the casing passes through the inter-blade passages at an outward side. To reduce noise generated when the air passes through the inter-blade passages, each blade includes: multiple first concavo-convex portions, with a first surface side being concave and a second surface side on the other side being convex, from among a first and a second surface corresponding to a front and a rear surface of each blade; and multiple second concavo-convex portions, with the second surface side being concave and the first surface side being convex, contrary to the first concavo-convex portions.-
公开(公告)号：US20210207805A1
公开(公告)日：2021-07-08
申请号：US17059532
申请日：2019-05-29
摘要： A purging device configured to purge a container defining a periphery of a pressurized explosion-proof structure by supplying protective gas into the container is provided. A purge controlling module controls a flow rate adjusting device to supply the protective gas into the container to purge during a purging period including at least two main periods and at least one sub period. The main period and the sub period are set alternately on a time axis. A maximum supply flow rate per unit time during the sub period is at or below 10% of a maximum supply flow rate per unit time during the last main period, and at or below 10% of a maximum supply flow rate per unit time during the next main period.
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公开(公告)号：US11026543B2
公开(公告)日：2021-06-08
申请号：US16295712
申请日：2019-03-07
发明人： Terry Witzel , Colin Kirvan
摘要： A cooking apparatus, having a body defining an interior cooking chamber for cooking food, a pellet supply portion coupled to the body and including a hopper for storing fuel, a combustion chamber for burning the fuel and heating the cooking chamber, a feeding mechanism for supplying fuel from the hopper to the combustion chamber, and a removable collection receptacle located below the combustion chamber. The apparatus also includes an ash-shaker located between the collection receptacle and the combustion chamber, the ash-shaker including an external actuator that controls one or more moving elements located in the combustion chamber, wherein movement of the moving elements encourages unburned debris in the combustion chamber to fall into the receptacle, after which the collection receptacle can be removed and the unburned debris discarded.
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公开(公告)号：US10890321B2
公开(公告)日：2021-01-12
申请号：US16082276
申请日：2017-02-28
申请人： Seong Woo Kim
发明人： Seong Woo Kim
IPC分类号： F23J11/00 , F23B30/00 , F23B80/02 , F23B10/02 , F23B80/04 , F24B1/02 , F23L9/02 , F23B90/06 , F23L1/00 , F23L9/04 , F23L15/00 , F24B5/02 , F23L5/02 , F24B5/04 , F24B1/08 , F24B13/04
摘要： A solid fuel combustion device includes: a fuel supply device including a firewood feed pipe or another fuel supplier; a primary combustion chamber coupled to the fuel supply device; a secondary combustion chamber including a wall formed of a fireproof material and having a structure in which a space is formed at a side of the combustion gas outlet of the primary combustion chamber to induce primary combustion gas to be secondarily expanded and combusted; and an air supply system including at least one air supply device in an entire combustion path formed in the primary combustion chamber and the secondary combustion chamber.
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公开(公告)号：US10830451B2
公开(公告)日：2020-11-10
申请号：US15949139
申请日：2018-04-10
发明人： Paul Bryan Cadima
摘要： A gas burner assembly for a cooktop appliance and a method for operating the same are provided. The gas burner assembly includes a normally aspirated primary burner, a concentrically-positioned forced air boost burner, a boost valve for regulating a flow of boost fuel to the boost burner, and a forced air supply source for providing a flow of air to the boost burner. The method includes activating the boost burner upon receiving a command and starting a timer. After a predetermined amount of time has passed, e.g., such as ten minutes, the boost burner is extinguished by closing the boost valve to prevent unsafe operating conditions.
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公开(公告)号：US10823455B2
公开(公告)日：2020-11-03
申请号：US16060717
申请日：2016-11-15
发明人： Jun Kyu Park , Jeong Gi Yu
摘要： A condensing combustion apparatus comprising: an upward combustion burner (20); a sensible-heat exchanger (40) which absorbs sensible combustion heat generated by the burner (20); and a latent-heat exchanger (50) which absorbs latent heat of steam included in a combustion gas which has passed the sensible-heat exchanger (40), wherein the sensible-heat exchanger (40) and the latent-heat exchanger (50) have the same lateral widths and are configured as fin-tube heat exchangers having common structures, and wherein a flow path through which the combustion gas, which has passed the sensible-heat exchanger (40), flows upward is formed on one side portion of the latent-heat exchanger (50), a flow path through which the combustion gas, which has passed the one side portion of the latent-heat exchanger (50), flows downward corresponding to a direction in which condensed water falls is formed on a middle portion of the latent-heat exchanger (50), and a flow path through which the combustion gas, which has passed the middle portion of the latent-heat exchanger (50), flows upward and discharges is formed on another side portion of the latent-heat exchanger (50).
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