32results about How to "Meet the requirements of ventilation" patented technology

The invention discloses a locking multi-mode lever-type variable valve driving system, belonging to the field of engine valve driving. The variable valve driving system mainly comprises a cam shaft, a mode input mechanism, a mode output mechanism, a mode switching mechanism, a valve regulating lever, a valve control mechanism and the like. By using the mode switching mechanism, the switching among multiple modes, including a two-stroke driving mode, a four-stroke driving mode, a two-stroke braking mode, a four-stroke braking mode and the like, of an engine is realized, further, by matching with the valve control mechanism for use, the optimum ventilation under different working conditions of the engine is finally realized, and the aims of comprehensively improving the engine dynamic property, fuel economy, emission performance and braking security are achieved. The invention is proposed by aiming at practical application, the reliability is high, the structure is compact, the requirements of a system on all the mechanisms are reduced, relatively mature technologies are adopted by all the mechanisms, the practical potential of the system in a short time is high, and the application prospect is good.

The invention provides an axially-moving multi-mode four-rod variable valve driving system and belongs to the field of engine valve driving. The axially-moving multi-mode four-rod variable valve driving system mainly comprises a cam shaft, a cam shaft sleeve, an axially-moving mechanism, a valve adjustment mechanism, a valve control mechanism and the like. The cam shaft sleeve is at least provided with a first cam and a second cam, and switching between multiple modes such as a two-stroke driving mode, a four-stroke driving mode, a two-stroke brake mode and a four-stroke brake mode of an engine is achieved through the axially-moving mechanism; and furthermore, optimal ventilation of the engine under different work conditions is finally achieved through cooperative use of the axially-moving mechanism and the valve control mechanism, and the purposes of comprehensively improving the power performance, the fuel economy, the emission performance and the brake safety of the engine are achieved. The axially-moving multi-mode four-rod variable valve driving system is provided for the practical application and is high in reliability and compact in structure, the requirements of the system for all the mechanisms are lowered, all the mechanisms adopt relatively mature technologies, and the system is high in practical utilization potential in a short time and has good application prospects.

The axial mobile multimode hydraulic variable valve drive system belongs to the field of the engine valve actuation. The system comprises a camshaft,a camshaft bushing,an axial movement mechanism, a valve control mechanism, a plunger type feed oiler and aoil reservoir and so on. The camshaft bushing is provided with a first cam and a second cam at least. Through the use of the axial movement mechanism a two-stroke engine drive mode, a four stroke a drive mode, a two-stroke braking mode a four stroke and so on a plurality kinds of mode conversion between braking mode can be realized. Comprehensively improve engine power performance, fuel economy, emissions and braking safety purposes and the best ventilation of the engine under different conditions can be achieved through the further use with valve control mechanism. The invention is the submitted to practical application. The system has the advantages of high reliability, compacted bodies, reducing the requirement of the system of institutions. The components are adopted more mature technology, so the system has high practical application potential in the short term and good application prospect.

The invention belongs to the field of engine valve driving and discloses an axial-moving multi-mode level type variable valve driving system. The system mainly comprises a cam shaft, a cam shaft sleeve, an axial moving mechanism, a valve adjusting level, a valve control mechanism and the like. At least a first cam and a second cam are arranged on the cam shaft sleeve. By adoption of the axial moving mechanism, shifting among various mode including a two-stroke driving mode, a four-stroke driving module, a two-stroke braking mode, a four-stroke braking mode and the like of an engine is realized, and further, by joint use with the valve control mechanism, optimal aeration of the engine under different working conditions is finally realized, and comprehensive improvement of engine dynamic properties, fuel economy, emission performance and braking safety is realized. The system is provided aiming at practical application and is high in reliability and compact in structure, and requirements of the system on each mechanism are reduced; due to adoption of mature technologies for each mechanism, the system is high in short-term practical potential and has a promising application prospect.

The invention discloses an intensive locking multi-mode four-bar type variable-valve driving system and belongs to the field of engine valve driving. The system mainly comprises a cam shaft, a mode transmission mechanism, a mode alternative mechanism, mode switching mechanisms, a cam shaft phase position adjusting mechanism, valve adjusting mechanisms, valve control mechanisms and the like. The mode switching mechanism and the cam shaft phase position adjusting mechanism cooperate for use, switching of various modes such as the two-stroke driving mode, the four-stroke driving mode, the two-stroke braking mode and the four-stroke braking mode of an engine is achieved, the requirement for optimum ventilation of the engine under the different working conditions is finally met through cooperation with the valve control mechanisms, and the purpose of comprehensively improving the dynamic property, fuel economy, emission performance and braking safety of the engine is achieved. The intensive locking multi-mode four-bar type variable-valve driving system is simple and compact in structure and easy to arrange, hydraulic mechanisms or mechanical mechanisms and other different mechanisms can be adopted, and a scheme for meeting the different requirements for the flexibility, reliability, cost and the like of a variable valve is provided for a user for selection.

The invention relates to the field of sauna and discloses a sauna room with the automatic ventilation function. The sauna room comprises a room body, a roof arranged on the room body, a seat arrangedin the room body and a controller; the sauna room also comprises a ventilation structure comprising an intake duct with an intake fan and an exhaust duct with an exhaust fan, and a heater is arrangedon the intake duct; the controller is used for: opening the intake fan, the exhaust fan and the heater every predetermined period for a predetermined period of time; the sauna room also comprises an automatic watering device comprising a water pipe connecting the water source and pointing to the sauna stone and a humidity sensor arranged in the room; the water pipe is provided with a water pump, and the room body is also provided with a proximity switch connected with the controller. The controller is also used to turn on the water pump to water the sauna stone or to turn off the water pump tostop water the sauna stone with feedback from the humidity sensor and the proximity switch.

The invention relates to the field of sauna, and discloses a far infrared heating sauna room. The sauna room comprises a room body, a top cover arranged on the room body, and a seat and a controller arranged inside the room body. The sauna room comprises an air changing structure, the air changing structure comprises an air inlet pipeline with an air inlet fan and an exhaust pipeline with an exhaust fan, a heater is arranged on the air inlet pipeline, and the controller is further used for turning on the air inlet fan, the exhaust fan and the heater at preset periods to run for a preset periodof time; the sauna room further comprises a far infrared heating device, and the far infrared heating device comprises a far infrared heating plate arranged on the seat and a temperature sensor arranged on the room, and the controller is used for controlling the far infrared heating plate to be powered on and emit heat when the temperature detected by the temperature sensor is lower than a firstpreset value and controlling the far infrared heating plate to be powered off when the temperature detected by the temperature sensor is higher than a second preset value.

The invention relates to the field of saunaing, and discloses a sauna room with a massage function. The sauna room comprises a room body (1), a top cover (2) arranged on the room body (1) and seats (3) arranged in the room body (1); foot massage basins (4) are arranged below the seats (3), and multiple vibration massage devices (5) are arranged in the foot massage basins (4); the sauna room further comprises a ventilation structure and a controller, the ventilation structure comprises air inlet pipelines (6) provided with air inlet fans and an air exhaust pipeline (7) provided with an air exhaust fan, and heaters (8) are arranged on the air inlet pipelines; the controller is used for switching on the air inlet fans, the air exhaust fan and the heaters (8) to run for a predetermined duration every a predetermined period.

The invention relates to the field of sauna, and discloses a far-infrared heating sauna room. The sauna room comprises a room body, a ceiling which is arranged on the room body, a seat which is arranged in the room body and a controller, and further comprises a ventilation structure and a far-infrared heating device, wherein a foot massaging tub is arranged at the lower side of the seat; a plurality of vibrating massaging devices are arranged in the foot massaging tub; the ventilation structure comprises an air intake pipeline which is provided with an air intake fan and an exhaust pipeline which is provided with an exhaust fan; a heater is arranged on the air intake pipeline; the controller is used for turning on the air intake fan, the exhaust fan and the heater to run by a preset time-length at the interval of a preset cycle; the far-infrared heating device comprises a far-infrared heating board which is arranged on the seat and a temperature sensor which is arranged on the room body; the controller is used for controlling the far-infrared heating board to get electrified and heated when temperature, which is detected by the temperature sensor, is lower than a first preset value; and the controller is used for controlling the far-infrared heating board to get disconnected when the temperature, which is detected by the temperature sensor, is higher than a second preset value.

The invention relates to the field of sauna, and discloses a sauna room with a massage function. The sauna room comprises a room body, a top cover arranged on the room body, seats arranged in the roombody and a controller, leg massage basins are arranged below the seats, and a plurality of vibration massagers are arranged in the leg massage basins; a plurality of weight monitors used for people for weighing are arranged in the room body, the controller is used for reminding people of finishing sauna bath through a warning apparatus under the circumstance that the relative difference value between a value of any weighing in multiple times of weighing and a value of the initial weighing is greater than a preset value; the sauna room further comprises a ventilation structure, the ventilationstructure comprises an air inlet pipeline provided with an air supplying fan and an exhaust pipeline provided with an exhaust fan, a heater is arranged on the air inlet pipeline, and the controller is further used for starting the air supplying fan, the exhaust fan and the heater to operate for predetermined time duration at intervals of a predetermined cycle.

The invention relates to the field of sauna, and discloses a sauna room with a weight monitoring function. The sauna room comprises a room body (1), a top cover (2) arranged on the room body (1), seats (3) arranged in the room body and a controller, a plurality of weight monitors (4) used for people for weighing are arranged in the room body (1), and the controller is used for reminding people offinishing sauna bath through a warning apparatus under the circumstance that the relative difference value between a value of any weighing in multiple times of weighing and a value of the initial weighing is greater than a preset value; the sauna room further comprises a ventilation structure, the ventilation structure comprises an air inlet pipeline (5) provided with an air supplying fan and an exhaust pipeline (6) provide with an exhaust fan, a heater (7) is arranged on the air inlet pipeline, and the controller is further used for starting the air supplying fan, the exhaust fan and the heater (7) to operate for predetermined time duration at intervals of a predetermined cycle.

The invention relates to a material structure for ventilation, lighting, dust and mosquito prevention. On the premise of ensuring the lighting, ventilation and mosquito-prevention functions, the material is additionally endowed with an air filtering function and belongs to the field of novel building materials. The material mainly comprises a light-permeable board (1), an air passage (3) and a filtering layer (2), and is characterized in that when air flows from outdoors to indoors, air can enter only from the air passage (3) due to the blockage of the light-permeable board(1), and when air entering the air passage encounters the filtering layer (2), floating dust and harmful microbes in air are filtered out through one-stage or multi-stage filtration, so that air entering a room becomes cleaner.

The invention provides a method for detecting the dynamic air permeability of a gasoline fuel tank assembly. The method comprises a fuel tank assembly to be detected and a carbon tank; the fuel tank assembly and the carbon tank are connected through a connecting pipeline; the connecting pipeline is provided with a collecting bottle; the collecting bottle is provided with a bottle plug; the connecting pipeline comprises a first connecting pipe and a second connecting pipe; one end of the first connecting pipe is connected with a gravity valve on the fuel tank assembly to be detected, and the other end of the first connecting pipe penetrates through the bottle plug and extends into the collecting bottle. According to the method for detecting the dynamic air permeability of the gasoline fuel tank assembly, the problems in the ventilation process of the fuel tank in the running process of a vehicle can be well found, and the method is not influenced by the actual road environment and a driver; and dynamic air permeability conditions under various environmental conditions can be simulated by a method of adjusting an air permeability amount, and dynamic air permeability effects under different liquid level conditions can be verified by loading different oil quantities.

The invention discloses an intensive locking type multi-mode lever type variable air valve driving system and belongs to the field of engine air valve drive. The intensive locking type multi-mode lever type variable air valve driving system mainly comprises a camshaft, a mode transmission mechanism, a mode alternative mechanism, a mode switching mechanism, a camshaft phrase adjusting mechanism, an air valve adjusting lever, an air valve control mechanism and the like. By the cooperative using of the mode switching mechanism and the camshaft phrase adjusting mechanism, switching among a plurality of modes, such as a two-stroke driving mode, a four-stroke driving mode, a two-stroke braking mode and a four-stroke braking mode is achieved. Further by the cooperative using with the air valve control mechanism, the requirement of an engine for the best air change under the different working conditions is met finally, so that the purpose of improving power performance, fuel economy performance, emission performance and braking security performance of the engine is achieved. The intensive locking type multi-mode lever type variable air valve driving system has the characteristics of simple and compact structure, easy arrangement and low cost.

The invention discloses a lock type multi-mode variable valve driving system and belongs to the field of engine valve drive. The lock type multi-mode variable valve driving system mainly comprises a cam shaft, a mode input mechanism, a mode output mechanism, a mode switching mechanism, a valve adjusting mechanism, a valve control mechanism and the like. A two-stroke drive mode, a four-stroke drive mode, a two-stroke brake mode, a four-stroke brake mode and the like of an engine are switched by using the mode switching mechanism, optimal air exchange of the engine in different working conditions is finally achieved further due to the fact that the mode switching mechanism is cooperated with the valve control mechanism for use, and the purpose of comprehensively improving engine dynamic property, fuel economy, emission performance and brake safety is achieved. The lock type multi-mode variable valve driving system is provided for practical application, is high in reliability and compact in structure, the requirements of the system for all the mechanisms are lowered, the mechanisms adopt mature technology, and the system is high in practical potential in a short period and has the good application prospect.