57 results about "Kitchen ventilation" patented technology

A kitchen ventilation system includes a sensor for detecting a chemical composition over an active zone of a cooktop. The system also includes an air moving device for displacing air including the chemical composition and an air flow direction control device for directing air displaced by the air moving device between exhaust and recirculation flow paths. A control circuitry is coupled to the sensor, to the air moving device and to the air flow direction control device for regulating operation of the air moving device and a position of the air flow direction control device based upon signals from the sensor.

A lighting equipment is provided in the housing of a kitchen ventilator with a plurality of LEDs. When the light equipment is turned on, power will be transmitted by a circuit to the LEDs, the LEDs are power saving, and the light of the LEDs is stable and irradiant. The lighting equipment comprises a base, a plurality of elastic locking pieces, and a circuit board. The elastic locking pieces enables a quick installation of the lighting equipment into the kitchen ventilator housing. Further, the base, the plurality of elastic locking pieces, and the circuit board are assembled by using a single screw and a nut. Therefore, the lighting equipment for a kitchen ventilator, which can be easily assembled and disassembled.

Shots of grease biodegrading bacteria consortia are mixed with a flow of air which ascends through an exhaust hood. Preferably, the exhaust hood includes a filter device which comprises a narrowing passageway which is located immediately below a baffle filter thereby regularly distributing the air flow through the entire area of the baffle filter. The hood is constructed to cause a swirling motion to the air flow. Any grease which adheres to the filter is caused to be biodegraded

The invention discloses a kitchen ventilation system based on an air curtain and filtration. The system consists of a fresh air section, an air curtain section and an air exhaust section, wherein the fresh air section consists of a fresh air port, a PM2.5 filter, an air feeder, an injector air-supplement branch pipe and the like; the air curtain section consists of a reducing pipe, a gas stove, an angle-adjustable air curtain, a hot air curtain blowing-in branch pipe and the like; the air exhaust section consists of an exhaust hood, a one-way check valve, an exhaust fan and an air outlet; after being filtered, one path of fresh air is conveyed to the injector air-supplement branch pipe so as to be used for injection of the gas stove, one path of fresh air is conveyed to the air curtain for cooking in summer and transitional seasons, and another path of fresh air is conveyed to the hot air curtain blowing-in branch pipe so as to regulate the temperature of the air curtain and meet the heat comfort requirement of a human body; the jet current and fume of the air curtain are discharged to the outdoors by virtue of the exhaust hood. The system can be used for achieving the effects of insulating heat, reducing indoor cooling load, improving the cooking comfort degree and health degree, preventing cooking fumes from spreading into a horizontal living room, improving the combustion efficiency of the system and the like, is beneficial to formation of an open kitchen and ensures that the architectural space is fully utilized.

Disclosed is a kitchen ventilation hood, which accelerates its exhaust by dividing the gas exhausted from an exhauster and by discharging the divided gas toward a suction port, thereby maximizing the efficiency of the exhaust action of the kitchen ventilation hood. The kitchen ventilation hood in which an exhaust fan is installed within its case, a suction port is formed on the bottom surface of the case and sucks gas generated from the kitchen, and an exhaust port is formed on the top surface of the case and exhausts the sucked gas to the outside, includes an exhaust acceleration unit including: a dividing plate being formed on the exhaust port so that the exhaust port is divided; a duct serving as a channel for transferring the divided gas, one end of the duct being connected to the dividing plate; a chamber connected to the other end of the duct; and a discharge port connected to the chamber and formed on the bottom surface of the exhaust acceleration unit. The kitchen ventilation hood entirely removes the gas generated from the kitchen, thereby eliminating bad smells from the kitchen and cleaning indoor air of the kitchen.

A system is provided for determining whether a damper controlling the flow of make-up air into a kitchen is properly functioning when the kitchen ventilation system is operating. When the kitchen ventilation system is activated, a notification can be provided to a user of the kitchen whereby the user will know whether the damper is open such that make-up air is available for replacing air drawn out of the kitchen by the ventilation system. The notification device can be conveniently positioned in the kitchen so that the user can readily check for proper damper operation when the ventilation system is operating.

A business method utilizing a Principal Entity to provide Commercial Kitchen Ventilation (CKV) systems including components such as hood and duct systems direct to owners of food service facilities. In one example, Principal Entity selects members of a contractor network, provides or arranges CKV instruction leading to CKV installer certification for members supports a continuing certification instruction program and facilitates CKV licensing of certified members by governmental code agencies. The Principal Entity may further create a business conduit facilitating participation of CKV component manufacturers in training that may lead to additional certifications of contractors as certified installers and/or servicers of manufacturer's components. The business conduit example may also provide tools and business systems to combine the purchasing power of members through the Principal Entity to facilitate the transfer of products and services between manufacturers, members and/or owners at greatly reduced costs yet with enhanced levels of service and code compliance.

The invention discloses a kitchen blowing and sucking type system based on passive air supplement. The system is composed of a fresh air section, an air curtain section and an exhaust section; the fresh air section is composed of a fresh air opening and a PM2.5 filter screen, the air curtain section is composed of an air supply opening, an angle-adjustable air curtain, a gas stove and a hot air curtain; the exhaust section is composed of an exhaust hood, a one-way stop valve, an exhaust fan and an exhaust outlet; fresh air passes through the fresh air opening, passes through the PM2.5 filter screen to form clean air, passes through the air supply opening and is supplied into a room from the air curtain; the air can be subjected to temperature adjustment through the hot air curtain to meetthe human body thermal comfort requirement; and flue gas and lampblack are exhausted outdoors through the exhaust hood. According to the kitchen blowing and sucking type system, harmful flue gas can be discharged outdoors, the harmful flue gas is prevented from entering a room, the air curtain supplies air to improve the indoor air quality, the heat comfort degree of a human body is improved, andthe combustion efficiency of the gas stove is improved.

The present invention provides a kitchen ventilation hood for ventilating the area above a cooking area and for exhausting air containing cooking by-products from a cooking station to an external environment through an exhaust duct while using a reduced airflow. The kitchen ventilation hood of the present invention is designed to minimize the required airflow through the hood in order to thoroughly evacuate the cooking by-products. The kitchen ventilation hood of the current invention has a structure incorporating an arched interior hood surface that directs the air to be ventilated through the air intake gap and the grease filter. The more efficient airflow resulting from the arched interior hood surface allows for removal of cooking by-products with a lower airflow than that required by currently available ventilation hoods. As such, the kitchen ventilation hood of the present invention represents a significant improvement over prior ventilation hoods.

Described herein is a kitchen ventilation system, comprising: a kitchen hood communicative with a kitchen exhaust duct; a fan communicative with the hood to create an air flow through the hood and to the exhaust duct; a fire barrier air filter mounted to the hood to receive and filter the air flow, the fire barrier air filter comprising a plurality of elongate extruded bodies in parallel alignment; each extruded body bound by first and second opposing concave surfaces and first and second baffle surfaces, the first and second baffle surfaces oriented transverse to the air flow; and at least one of the of the first and second concave surfaces oriented in facing opposition to a neighboring concave surface provided by a neighboring extruded body to form a cooperating pair of facing concave surfaces, the pair of facing concave surfaces defining a narrow longitudinal inlet gap, a narrow longitudinal outlet gap, and a longitudinal tubular chamber communicating therebetween. A kit providing at least a fire barrier air filter of the system and instructions for its installation is also described. A method of fire prevention using components of the system or kit is also described.

The invention discloses a kitchen ventilation system and a control method. The system comprises a smoke exhaust system, a fresh air system, a smoke exhaust fan control module, a smoke exhaust fan frequency converter, an air draft valve control module, a fresh air fan control module, a fresh air fan frequency converter, a fresh air valve control module and a cooker key module, wherein the cooker key module is in signal connection with the smoke exhaust fan control module, the air draft valve control module, the fresh air fan control module and the fresh air valve control module; the air draft valve control module and the fresh air valve control module determine the opening or closing of the valve according to a control signal from the cooker key module; and the smoke exhaust fan control module and the fresh air fan control module determine the frequency conversion control over a corresponding frequency converter according to the control signal of the cooker key module. The method realizes the control over the opening and closing of the valve and the matching of the flow rate of the fan. The system and the method realize the matching of the ventilation volume of the fan and the ventilation volume for actual demand through the frequency modulation control of the fan so as to achieve obvious energy saving effect and effectively prolong the service life of devices and pipelines of the ventilation system.

The invention discloses a kitchen ventilation device which comprises a kitchen inner wall. Mounting brackets are fixedly mounted at the top and the bottom of the right side of an inner cavity of the kitchen inner wall, a flue gas collecting box is fixedly mounted between the two mounting brackets, the right side of the flue gas collecting box communicates with a main ventilation device, and an exhaust pipeline is arranged in an inner cavity of the flue gas collecting box. During actual use of the kitchen ventilation device, in the ventilation process, if air leakage occurs at the joint of theventilation device, under the action of a flue gas backflow preventing mechanism, backflow flue gas is pumped out again, the flue gas can be exhausted out of a room through an exhaust pipe, and therefore the flue gas is prevented from leaking and flowing back into the room, the purity of indoor air is guaranteed, and convenience is brought to use by a user; and at the time, the user can start a cleaning mechanism to clean a second filter screen to remove oil stains on the second filter screen, cleanness of the second filter screen is guaranteed, and the filtering efficiency is improved.

The invention discloses multifunctional intelligent kitchen air optimizing equipment. The multifunctional intelligent kitchen air optimizing equipment comprises a kitchen ventilator body, lampblack insulating screens and reel structures arranged on the two sides of the kitchen ventilator body; the upper ends of the lampblack insulating screens are connected with reels in the reel structures, and a lampblack inlet pipe and a lampblack outlet pipe connected with the lampblack inlet pipe are arranged on the kitchen ventilator body; a plurality of UV lamps are arranged at the upper end of an inner cavity of the lampblack inlet pipe; a movable air inlet device is arranged at the lower end of an inner cavity of the lampblack inlet pipe; due to arrangement of the lampblack insulating screens on the two sides of the kitchen ventilator body, lampblack can be effectively prevented from being exhausted from two sides during cooking, the lampblack insulating screens are connected with the reels in the reel structures, and when cooking is not carried out in usual, the lampblack insulating screens are reeled into the reel structures through the reels, operation is easy, and attractiveness of a kitchen is ensured; and due to arrangement of the UV lamps, lampblack can be decomposed into water, carbon dioxide and a little white powder, air exhausted from the lampblack outlet pipe of the kitchen ventilator body is fresh, and air is prevented from being polluted.

The invention belongs to the technical field of kitchens, and particularly relates to commercial kitchen ventilation equipment convenient to install. The commercial kitchen ventilation equipment comprises a ventilation pipe body, wherein a cavity is formed in the ventilation pipe body, a storage plate is arranged in the cavity, racks are fixed to the two sides of the storage plate, a storage groove is formed in the storage plate, and a driving motor is arranged in the storage groove. A mounting block is arranged between the driving motor and the storage groove, the two ends of the mounting block are fixedly connected with the outer side wall of the driving motor and the inner side wall of the storage groove correspondingly, turbine fan blades are fixed to the tail end of an output shaft ofthe driving motor, the upper end of the storage plate penetrates through the ventilation pipe body and is fixedly provided with a sealing plate, and two rotating shafts are symmetrically arranged inthe cavity. The two ends of each rotating shaft are rotatably connected to the opposite side walls of the cavity correspondingly, gears meshing with the racks are fixed to the rotating shafts. The commercial kitchen ventilation equipment convenient to install is easy to assemble and disassemble and convenient to clean and can be conveniently used by operators.

The present invention relates to a safety and power-saving device for a kitchen ventilator comprising: a setup unit employed to send out a signal for controlling the operating time of the ventilator; a CPU serving to receive the signal from the setup unit and send out a display signal, a delay signal and a control signal; a display unit serving to receive the display signal from the CPU and to display the operating time of the kitchen ventilator; a delay unit serving to receive the delay signal and to enable the kitchen ventilator to continue operating for a longer period of time after the operating time expires; a control unit serving to receive the control signal and to turn off the cooking appliance after the operating time expires.

The invention discloses an internal circulation type household kitchen ventilation device for preventing soot overflow, comprising a main body device, wherein the main body device comprises a column type groove cover, and a first panel and a second panel mounted on two ends of the column type groove cover by a sliding device, the back side of the column type groove cover is provided with a mounting bracket structure, the side surface of the column type groove cover is provided with an air exchange pipeline, an S part of the column type groove cover is provided with an internal circulation device, a collecting device is arranged at a joint of the internal circulation device and and the back side of the first panel, a filtering device is arranged at a joint of the internal circulation deviceand the back side of the second panel, joint of the first panel and the second panel is respectively provided with a ferromagnetic strip, and the surface of the first panel is provided with a mesh plate. Therefore, the ventilation and air exchange of a relatively windtight kitchen space can be effectively improved, and the diffusion of soot is effectively reduced.

A method and system for degreasing a kitchen ventilation system includes determining degreasing setpoint(s) for a degreasing time interval, injecting degreasing agent within the kitchen ventilation system during the degreasing time interval and operating subsystem(s) of the kitchen ventilation system in accordance with the degreasing set point(s). The method and system can also include sensing operating condition(s) within the kitchen ventilation system, determining degreasing parameter(s) based on the sensed operation(s) and injecting degreasing agent with the kitchen ventilation system according to the degreasing parameter(s). Operating condition(s) can also be tracked over time to schedule degreasing at a future time. Safe degreasing conditions can also be detected prior to any injection of the degreasing agent.