Patents Examined by Nathaniel Herzfeld
  • Patent number: 10844753
    Abstract: A boiler including one or more evaporators, an economizer, and a low-temperature heat exchanger. The economizer is located on a downstream side of the most downstream evaporator which is an evaporator at the most downstream side among the one or more evaporators. The low-temperature heat exchanger is located on the downstream side of the economizer, has an inlet for receiving water from the outside, and is configured to heat the water introduced from the inlet and sent to the economizer with the combustion gas.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: November 24, 2020
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Hideyuki Uechi, Hiroyuki Yagita, Kuniaki Aoyama, Hideaki Sugishita, Yukimasa Nakamoto, Yuichi Oka, Naoki Hisada, Tarou Ichihara
  • Patent number: 10824178
    Abstract: The disclosure provides a heating and hot water supply apparatus which includes a heating circulation path configured to circulate a heated heating medium with a heating terminal, and a bypass path branched from the heating circulation path for causing the heating medium to flow therethrough without passing through the heating terminal. A hot water supply heat exchanger is disposed in the bypass path. A division ratio of the heating medium from the heating circulation path to the bypass path is controlled by a distribution valve. The division ratio is increased from a first value to a second value when a reservation preheat control is started during the heating operation according to a start reservation time of hot water supply operation reserved by a timer, and set to a third value greater than the second value during a simultaneous operation of the hot water supply and the heating operation.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: November 3, 2020
    Assignee: NORITZ CORPORATION
    Inventors: Isao Aoki, Yoshiro Nishiyama, Toshiya Tatsumura, Yoshikazu Kato, Yuki Nakajima, Takuto Matsuoka, Hidetsugu Okada, Sachiko Tachibana, Masanori Yamashita, Takahiro Maeda
  • Patent number: 10823404
    Abstract: Systems and methods for processing a waste stream for feeding into a thermal unit performing an airless or oxygen starved incineration process like pyrolysis. Embodiments comprise an inlet hopper for receiving a waste stream, an inlet hopper lid, a slide gate that when closed forms the base of the inlet hopper and when open allows the waste stream to pass into an intermediate hopper, a ram body that when closed forms the base of the intermediate hopper and when open allows the waste stream to pass into a ram cylinder, a crusher plate on the front face of the ram body, a ram for driving the ram body and its crusher plate forward into the waste within the cylinder, a compactor cone comprising teeth for splitting, and an outlet through which the crushed and split waste stream exits the system into a thermal unit.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: November 3, 2020
    Assignee: Pyrodyne Thermal, LLC
    Inventors: Keith Denton Nair, Daniel Christien Spokes
  • Patent number: 10823425
    Abstract: A kiln including a stove, a housing, an exhaust pipe and a heat source is disclosed. The stove includes a cavity, an entry, and an air outlet. The housing includes a cover and a front plate and disposed outside of the stove, wherein the front plate is joined to a front end of the cover and disposed at a front side of the stove; the front plate and the stove are spaced apart with a gap. The exhaust pipe passes through the cover and communicates with the air outlet and an exterior of the cover. The heat source is adapted to heat the cavity. With the gap between the front plate and the stove, a thermal insulation effect capable of protecting a user from being burned is provided.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: November 3, 2020
    Assignees: National Chung-Shan Institute of Science & Technology, Ten Wing Scientific Co., Ltd.
    Inventors: Hsi-Ming Tseng, Li-Chih Liao
  • Patent number: 10816239
    Abstract: The present invention relates to a heat exchanger enabling the reduction of the number of components constituting the heat exchanger, the simplification of the coupling structure thereof, and also, the decrease of combustion gas flow resistance and the minimization of noise and vibration generation, the heat exchanger being provided with a heat exchange unit having heating medium flow channels through which a heating medium flows and combustion gas flow channels through which combustion gas combusted in the burner flows to be alternately formed and adjacent to each other in spaces between a plurality of plates, wherein the heat exchange unit comprises: a sensible heat unit which surrounds the outer side of a combustion chamber, is formed of one side area of the plates, and heats the heating medium by using sensible heat of combustion gas generated by the combustion of the burner; and a latent heat unit which is formed of the other side area of the plates, and heats the heating medium by using latent heat of w
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: October 27, 2020
    Assignee: KYUNGDONG NAVIEN CO., LTD.
    Inventor: Inchul Jeong
  • Patent number: 10801748
    Abstract: A fuel-fired water heater having a top water outlet includes a water tank and a top cover assembly having the top water outlet to output water from the water tank. The water heater further includes a multi-pass heat exchanger that includes flue tubes positioned in the water tank. The water heater also includes a first plenum and a second plenum at a top end portion of the water heater. The first plenum provides a first hot gas flow path from a first set of the flue tubes to a second set of the flue tubes, and the second plenum provides a second hot gas flow path from a third set of the flue tubes to a fourth set of the flue tubes.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: October 13, 2020
    Assignee: Rheem Manufacturing Company
    Inventors: Timothy D. Scott, William Jason Hall, Brad Windon, Brian Shaw
  • Patent number: 10792845
    Abstract: A fuel tank producing apparatus that allows the thickness of a resin on the surface of a tank container to be uniform and that is capable of improving the curing quality of the tank container. The fuel tank producing apparatus includes a conveyor for conveying the tank container, a plurality of heating chambers for heating the tank container during the conveyance, a cooling furnace for cooling the tank container at a position downstream of the plurality of heating chambers in the conveying direction, a gas supplier for supplying gas to the plurality of heating chambers, a plurality of nozzles for blowing the gas supplied from the gas supplier onto the surface of the tank container in the plurality of heating chambers, and a plurality of plug heaters for heating the gas between the gas supplier and the plurality of nozzles.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: October 6, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KOYO THERMO SYSTEMS CO., LTD.
    Inventors: Ken Hatta, Yasuhiro Sasaki
  • Patent number: 10794640
    Abstract: A heat exchanger includes a heat transfer tube in which a plurality of tube body portions are arranged in a two-tier staggered pattern in a flow direction of heating gas, and a fin, wherein a plurality of cut-out recessed portions are provided in the fin by cutting out sites between first and second upstream side tube body portions, and each cut-out recessed portion extends toward a downstream side in the flow direction of the heating gas beyond the site between the first and second upstream side tube body portions so as to cross straight lines linking a center of a first downstream side tube body portion, which is positioned between the first and second upstream side tube body portions in the width direction, and respective centers of the first and second upstream side tube body portions. Thus, the temperature distribution of the fin is made even, thereby suppressing the generation of thermal stress, and as a result, distortion of the heat transfer tube is suppressed.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: October 6, 2020
    Assignee: NORITZ CORPORATION
    Inventors: Masaki Kondo, Takeshi Ohigashi
  • Patent number: 10788266
    Abstract: A kiln including a stove and a heat source wherein the stove includes a chamber, an air guide structure, an exhaust pipe and a heat storage member. The chamber includes a cavity, an entry, and an air outlet. The air outlet is located between a top of the front section of the cavity and the entry. The air guide structure communicates with the air outlet and includes a guide plate. The exhaust pipe is disposed above the guide plate, and an exhaust channel is formed by the guide plate of the air guide structure and the exhaust pipe. The heat storage member covers an exterior of the cavity which is corresponding to the top of the front section of the cavity, and contacts the air guide structure. The heat source is disposed in the stove and adapted to heat the cavity.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: September 29, 2020
    Assignees: National Chung-Shan Institute of Science & Technology, Ten Wing Scientific Co., LTD.
    Inventors: Hsi-Ming Tseng, Li-Chih Liao
  • Patent number: 10782073
    Abstract: A waste heat boiler system for cooling a process gas, including a first shell-and-tube heat exchanger for cooling relatively hot gas down to relatively warm gas, an intermediate chamber for receiving gas, cooled down to relatively warm gas, coming out of tubes of the first heat exchanger, and a second shell-and-tube heat exchanger for cooling relatively warm gas further down to relatively cool gas. The intermediate chamber is provided with an outlet fluidly connected to a bypass channel for allowing a part of the relatively warm gas to bypass tubes of the second heat exchanger. The bypass channel and tubes of the second heat exchanger are both fluidly connected with a mixing chamber for mixing together relatively warm gas flowed from the intermediate chamber into the mixing chamber via the bypass channel and relatively cool gas come out of the tubes of the second heat exchanger.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: September 22, 2020
    Assignee: TECHNIP FRANCE
    Inventors: Jacobus Robbers, Ivan Radosevic, Hendrik Arie De Vrij
  • Patent number: 10782021
    Abstract: A method is provided for thermally converting non-radioactive combustible wastes to a substantially non-hazardous, non-leachable, sintered particulate carbon-less ash by-product in a kiln having a plurality of reaction zones. The kiln including first and second ends and a body provided between the first and second ends that defines a cavity having a refractory lining that provides resistance to heat conduction. A processor and flow rate controllers are provided that control a flow rate through the body of waste that enters at the first end of the kiln and the flow rate of oxidant gas that enters at the second end of the kiln, the second end being opposite to the first end. The body may be positioned substantially horizontal and may include a length-to-diameter ratio and a resistance to heat conduction that provides a temperature gradient within the cavity to forms separate reaction zones during operation.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: September 22, 2020
    Inventors: Barry Liss, Brandon Ruf Wilson
  • Patent number: 10775078
    Abstract: The present invention provides a gas water heater, and a safety control method and system therefor. The system includes: an exhaust fan; a rotational speed detecting unit, configured to detect a rotational speed of the exhaust fan; a power obtaining unit, configured to obtain a set value for output power of the exhaust fan; a rotational speed difference obtaining unit, configured to obtain an actual value of the rotational speed and a reference value of the rotational speed according to the set value for the output power, and to calculate a difference between them; and an exhaust control unit, connected to the exhaust fan, the rotational speed detecting unit, the rotational speed difference obtaining unit and the power obtaining unit respectively, configured to correct a predetermined wind pressure curve graph at an air outlet of the exhaust fan according to the difference.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: September 15, 2020
    Inventors: Chengzhi Xue, Xianfeng Dai, Liping Shou, Zefeng Liang, Guorong Liang
  • Patent number: 10775076
    Abstract: A water heater flushing system includes a housing having an inlet configured to be coupled to a drain port of the water heater and receive water therefrom, and an outlet configured to discharge water from the housing. A series of filter elements are positioned and spaced apart within the housing transverse to a water flow path defined between the inlet and the outlet, the series of filter elements are configured to separate solid impurities from the water according to different particle sizes (e.g. progressively different or finer particle sizes) in the water flow path between the inlet and the outlet. A viewing feature, such as a transparent lid, is carried by the housing and configured to provide visual access to an interior of the housing for inspection of separated solid impurities at each of the filter elements. A sediment buster may be coupled to the inlet of the housing and configured to send a fluid into the drain port of the water heater.
    Type: Grant
    Filed: March 18, 2018
    Date of Patent: September 15, 2020
    Assignee: Nerd Concepts, Inc.
    Inventor: John Verhoff
  • Patent number: 10773878
    Abstract: An apparatus for distributing gases and, optionally, liquids into a control valve includes a collar and a plurality of gas distribution devices. The collar includes a first side, a second side opposite the first side, an inner bore formed through a central portion of the first side and the second side, an outer edge positioned between the first side and the second side and which defines an outer perimeter of the collar, an inner edge positioned between the first side and the second side and which extends around the inner bore to define an inside perimeter of the collar, and a plurality of passages that extend through the outer edge and inner edge without penetrating the first and second sides. The plurality of gas distribution devices are mounted into the passages of the collar.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: September 15, 2020
    Assignee: Red Valve Company, Inc.
    Inventor: Bruce M. Platusich
  • Patent number: 10767854
    Abstract: Embodiments provide a combustion structure that can achieve stable combustion by addressing the aforementioned drawbacks in the prior art such as low flame stability, backfire, deflagration, blockage and/or any other drawbacks. The combustion chamber structure in accordance with the disclosure can include: a grate structure including a first set of elongated components, a fire retention structure including a second set of elongated components. The first set of first elongated components can be arranged along an axial direction within the combustion chamber structure. The second set of elongated components can be arranged along the axial direction in a same direction as the first elongated components. The second set of elongated components can be configured to generate a negative pressure zone within the combustion chamber. The first set of elongated components can form apertures that can be aligned with apertures formed by the second set of elongated components.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: September 8, 2020
    Assignee: Zhejiang Liju Boiler Co., Ltd.
    Inventors: Rongxin Zhao, Yongqiang Wang, Bingyuan Shen, Erpeng Qiu, Jian He, Huizhen Li, Jingyang Jin, Xiaoping Gao
  • Patent number: 10760787
    Abstract: A grate block for a combustion grate, wherein consecutive grate blocks are arranged in a staircase and are designed to rearrange and convey the combustible material during combustion through pushing motions. The grate block includes a block body, an upper wall forming a supporting surface, and an extension parallel to a longitudinal axis L of the body. The supporting surface drops into a pushing surface formed by a front wall, which has at least one air supply opening for supplying air to the combustion grate, which extends at a right angle or slant to the pushing surface. In the lowest region of the front wall, formed as a foot, which lays on the supporting surface of a grate block, is adjacent in the pushing direction. The front resting edge of the pushing surface is arranged in a plane E extending at a right angle to the longitudinal axis L.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: September 1, 2020
    Assignee: HITACHI ZOSEN INOVA AG
    Inventors: Werner Brennwald, Helen Gablinger
  • Patent number: 10760820
    Abstract: The invention provides a condensing boiler 100 including a heat exchanger 160, the heat exchanger including at least one fluid flow cassette 162a, 162b, 163a, 163b, 164a, 164b, each cassette comprising first 181 and second 182 sheets, wherein at least the first sheet has corrugations 185, 186, 187 along a length of the sheet so as to form a number of grooves extending across a width of the sheet, wherein the second sheet is attached against the first sheet so as to enclose the grooves to form a number of fluid flow passageways 193 extending across a width of the cassette in between the first and second sheets, and wherein the cassette is substantially curved across its width such that the fluid flow passageways are substantially curved along their length. The invention also provides a method of manufacturing a heat exchanger or condensing boiler.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: September 1, 2020
    Assignee: BKBD Limited
    Inventor: Brendan Kemp
  • Patent number: 10760001
    Abstract: A straight fin for a device for recovering the waste heat of raw coke oven gas in the ascension pipe of the coke oven includes the straight fin body and a group of V-shaped notches disposed on the straight fin body. The depth h of the V-shaped notches is less than the width H of the straight fin body. The distances between the adjacent V-shaped notches increase from bottom to top in the longitudinal direction of the straight fin body. The present invention further provides a heat recovering device and a power generation device both including the straight fins. Moreover, the width, the angle, and the distances in the longitudinal direction of the V-shaped notches at the top of the straight fin are determined according to the temperature field distribution during use of the device.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: September 1, 2020
    Assignee: NANJING HUADIAN ENERGY-SAVING & ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD
    Inventors: Xiaoping Liu, Jianning Lu, Juxiang Li, Renhe Dong, Guilan Yang, Xuan Zheng
  • Patent number: 10753600
    Abstract: A power generating system includes a condensing steam turbine fed with steam from a boiler, wherein the air supply for the boiler combustion process is preheated by means of a heat pump system comprising at least one heat pump with at least one compressor, before entry to the boiler. A method for generating power using the power generating system is also described. A method and apparatus for extracting heat from the gases of a combustion process are also described.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: August 25, 2020
    Assignee: CASTLE EUROPEAN LIMITED
    Inventor: Aleksandar Kovacevic
  • Patent number: 10753603
    Abstract: Provided is a system, in which a display is mounted to a steam generating device to monitor a driving situation or an erroneous operation situation of the steam generating device through the display. It is possible to monitor an operation situation of a steam generating device through a simple screen configuration in real time at a glance, and enable a user to diversely analyze reasons by various factors when an abnormal operation is generated and cope with the abnormal operation.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 25, 2020
    Assignee: SJE CORPORATION, LTD.
    Inventor: Ho Moog Yoo