TR201919504A2 - A thermostat device that regularly adjusts the amount of flow to the heater port - Google Patents

Abstract

The invention relates to a thermostat assembly that regularly adjusts the amount of coolant flow towards the heater port (inlet) to provide constant energy transfer to the cabin heating system for each engine condition. More specifically, the present invention relates to a thermostat assembly having both a permanently open and a conditionally open supply channel for the heater port.

Description

DESCRIPTION THERMOSTAT ASSEMBLY Technical Area The invention uses a heater to provide constant energy transfer to the cabin heating system for every engine condition. a thermostat device that regularly adjusts the amount of refrigerant flow to its port (inlet) is related.

More specifically, the present invention is both permanently on and conditionally on for the heater port. relates to a thermostat assembly having a supply channel.

State of the Art The thermostat assembly in the engine cooling system is adjusted according to the temperature value of the engine cooler. by determining the flow rate between the bypass circuit and the heat exchange circuit They ensure proper cooling of the parts. Bypass circuit and heat exchange circuit change in flow rate between bypass inlet window and radiator inlet window or bypass possible by the change in the opening ratio between the exit window and the radiator exit window is happening. The change in the opening rate is via a thermo-actuator across the thermostat cavity. It is provided by the forward and backward movements of the directed valve structure. forward and backward of the valve structure Its movement is provided by the movement of the piston element of the thermo-actuator.

In conventional inlet-two-outlet thermostat assemblies, the piston element is replaced by the engine output from the inlet. It moves forward or backward according to the temperature of the cooler. Coolant from engine outlet When the temperature value is below the first threshold value, the actuator and therefore the valve structure are completely remains in the closed position. In this fully closed position of the actuator, the valve Its structure allows the refrigerant flow from the inlet to the bypass outlet and through the upper valve element, the upper By closing the valve seat, it prevents the coolant flow from the inlet to the radiator outlet.

The piston moves forward as a result of the increase in the coolant temperature (exceeding the first threshold value). when the other part of the actuator (actuator stem) moves forward of the piston tip. it starts to move backwards due to the restricting piston seat. actuator the backward movement of the stem, the collar seat of the valve structure by the collar portion of the actuator Thanks to the force applied on it, it also causes the valve structure to move backwards.

The temperature value of the cooler coming from the motor output is equal to or above the second threshold value. when the opening value of the actuator and therefore the opening value of the valve structure is maximum points (completely backward movement). In this fully open position of the actuator, the valve Its structure allows the coolant coming from the inlet to flow towards the radiator outlet and the lower valve element By closing the bottom valve seat, the refrigerant flow from the inlet to the bypass outlet is closed. hinders. At these temperature values above the second threshold, the coolant coming from the motor output heat exchange including engine ducts, radiator ducts, water pump and thermostat assembly continues to flow from the inlet to the radiator outlet throughout the circuit.

Traditionally, the cabin heating system is fed from the bypass output. This is the engine inlet. It means that some of the cooler is diverted to the heater port. Bypass output on in fully closed thermostat position, off in fully open thermostat position Since there is a conditional flow through the bypass outlet and therefore through the heater port subject. In the fully open thermostat position, the bypass outlet is controlled by the lower valve element. There is no heat energy transfer to the heater port due to the shutdown. Moreover here, even in the fully closed thermostat position (when the engine is just starting), since the supply is supplied only through one channel (conditionally open bypass output) Therefore, sufficient amount of heat energy cannot be transferred towards the heater port. cabin heating system, Although it requires constant heat energy transfer independent of changing engine conditions, both variable temperature value of the engine inlet cooler as well as provided through only one channel. Due to the feeding, there is an irregular heat energy transfer towards the heater port.

Document U83907199A, engine cooling and passenger compartment heating system for an automotive vehicle mentions the combination. The system in question ensures that the heat going to the passenger cabin of the vehicle engine to ensure regulation and coolant temperature as low as possible. It allows selective distribution of the coolant between the radiator and the heater. However where the heater is used to provide constant energy transfer to the cabin heating system for each engine condition. from a thermostat assembly that regularly adjusts the amount of refrigerant flow to the port is not mentioned.

As a result, the heater is designed to provide constant energy transfer to the cabin heating system for any engine condition. to a thermostat assembly that regularly adjusts the amount of refrigerant flow to the port The need has led to the emergence of the solution, which is the subject of invention.

Purpose and Brief Description of the Invention The aim of the present invention is to provide constant energy transfer to the cabin heating system for every engine condition. A thermostat device that regularly adjusts the amount of refrigerant flow to the heater port revealing.

It is another object of the present invention to be both permanently on and conditionally open for the heater port. is to provide a thermostat assembly having a supply channel.

Existing thermostat assembly - an input part coming from the motor output, - bypass output section. - heater primary output part providing conditional flow depending on bypass output flow, - heater secondary outlet providing continuous flow It includes a lower body with components.

A preferred embodiment of the present invention - bypass output and heater primary output at the same time in fully open thermostat position bypass valve seat and heater valve seat, respectively, to prevent flows through a bottom valve structure with bypass valve element and heater valve element components sitting on it contains.

Cab heating integrated into the natural opening and closing functions of the thermostat assembly It is a vehicle cabin heating method applied to the system, - in the fully closed or partially open thermostat positions the engine is cold or warm are fed by both the heater primary output and the heater secondary output, - heater secondary output only when the engine is hot in the fully open thermostat position nourished by As a construction requirement, said lower valve structure includes two sealing elements and the bypass valve member is larger than the heater valve member.

Description of Figures A front section view of the existing thermostat assembly in the fully closed position in Figure fa. are given.

Fully enclosed allowing both continuous and conditional flow towards the heater port in figure 1b thermostat position is given.

A front section view of the existing thermostat assembly in the fully open position in Figure 2a. are given.

Fully open thermostat allowing only continuous flow towards the heater port in figure 2b position is given.

A perspective view of the upper valve structure is given in Figure B.

A perspective view of the lower valve structure is given in Figure 3b.

A top view of the existing thermostat assembly is given in Figure 4a.

A sub view of the existing thermostat assembly is given in Figure 4b.

Reference Numbers . thermostat assembly .one. Thermostat inner cavity 11. Upper body 11.1. piston seat 11.2. radiator valve seat 11.3. radiator outlet 12. Lower body 12.1. Entrance 12.2. Bypass output 12.3. Heater primary output 12.4. Heater secondary output 12.5. Bypass valve seat 12.6. heater valve seat 12.7. bow seat 13. First spring element 14. Second spring element . Upper valve structure .one. radiator valve element .2. bracelet seat 16. Bottom valve structure 16.1. Bypass valve element 16.2. heater valve element . thermo-actuator 21. Bracelet 22. Piston 23. Heat sensitive reservoir Q1. primary flow Q2. secondary flow Eo. engine output What. heater inlet Detailed Description of the Invention The present invention uses a heater to provide constant energy transfer to the cabin heating system for any engine condition. a thermostat assembly (10) that regularly adjusts the amount of refrigerant flow to the port is related.

In conventional thermostat systems, the cabin heating system is fed from the bypass output. This too, means that some of the engine inlet cooler is directed towards the heater port.

Bypass output is open in fully closed thermostat position. fully open thermostat in the closed position, along the bypass output and therefore along the heater port. There is a conditional flow. Although the system requires constant heat energy, this conditional flow It prevents the transfer of heat energy at the same level towards the heating system every time.

The bypass output temperature is quite low when the motor is just starting. In this case, the constant heat In order to achieve energy transfer, the cabin heating system needs a higher flow rate.

The present invention allows the cabin to be operated in all engine conditions by means of an additional supply duct that is always open. It provides constant heat energy transfer towards the heating system. Continuously open feed channel Thanks to this, when the engine output (Eo) temperature is low, more fuel is supplied to the cabin heating system. The excess refrigerant flow amount does not allow the transfer of heat energy at the same level to the cabin heating system. it provides.

Existing thermostat assembly (10) - a piston seat (11.1), radiator valve seat (11.2), radiator outlet (11.3) upper body (1 1), - heater providing incoming input (12.1), bypass output (12.2), primary flow (S1) from motor output (Eo) primary outlet (12.3), heater secondary outlet (12.4) providing secondary flow (S2), bypass valve seat - on the radiator valve seat (11.2) mentioned in the fully closed thermostat position an overhead valve comprising a seated radiator valve member (15.1) and collar seat (15.2) - the collar part (21) positioned on said bracelet seat (15.2), said The piston (22) part positioned in the piston seat (11.1) is the part of the said upper valve structure. (15) consists of a thermo-sensitive reservoir (23) positioned in its inner cavity. actuator (20), - on the bypass valve seat (12.5) in the fully open thermostat position seated bypass valve element (16.1) and heater seated on said heater valve seat (12.6) a lower valve structure (16) including valve member (16.2), - a first spring positioned between said upper valve structure (15) and lower valve structure (16) - a second spring element (14) positioned between the lower valve body (16) and the spring seat (12.7) has its components.

A front section view of the existing thermostat assembly (10) in the fully closed thermostat position It is given in Figure 1a. The existing thermostat assembly (10) is in the fully closed thermostat position. It provides flow through both the heater primary outlet (12.3) and the heater secondary outlet (12.4). Shape As can be seen from 1b, both primary flow (S1) and secondary flow (SZ) are involved here. Primary The sum of the flow (S1) and the secondary flow (82) forms the heater inlet (Hi) cooler. This means that it happens that when the engine is just starting, a larger amount of bypass outlet cooler cabinet is sent to the heating system. Thus, the engine coolant is still warm enough. sufficient amount of thermal energy to be transferred towards the cabin heater system even though it is not becomes possible.

A front section view of the existing thermostat assembly (10) in the fully open thermostat position. It is given in Figure 2a. As seen in Figure 2b, in the fully open thermostat position, the heater primary flow (S1) because its primary outlet (12.3) is closed by the heater valve element (16.2) is blocked. Heater secondary output (12.4) only in fully open thermostat position There is a secondary flow (S2) flowing through it and said secondary flow (S2) is the heater inlet (Hi). forms the cooler. This means less bypass when the engine is hot. The outlet cooler is sent towards the cabin heating system. So the engine coolant is hot It is possible to transfer sufficient amount of thermal energy to the cabin heating system. is coming.

Briefly, the existing thermostat assembly (10) has two separate channels to feed the cabin heating system. The first supply channel, which corresponds to the heater primary outlet (12.3), provides the primary flow (S1).

The primary flow in question (81) is the fully open thermostat position (engine hot) It is a conditional flow because it is blocked throughout. The second corresponding to the heater secondary output (12.4) the supply channel provides the secondary flow (S2). Said secondary flow (82) is both fully open and in both the partially open and fully closed thermostat positions (respectively the engine is warm, warm and It is a continuous flow because it continues to flow (in cold conditions).

In the cold state of the engine, the cabin heating system has two separate channels (heater primary outlet (12.3) and heater It is fed by the secondary outlet (12.4)). Thus, a larger amount of refrigerant Transfer of sufficient amount of thermal energy to the cabin heating system by sending it to the heating system is provided. In the hot condition of the engine, the cabin heating system is only one duct (heater secondary output). (12.4)). Thus, less amount of refrigerant is added to the cabin heating system. A sufficient amount of thermal energy is transferred to the cabin heating system. Available The invention provides a constant level of thermal energy to the cabin heating system, independent of engine conditions. Adjusting the volume of the refrigerant sent to the cabin heating system to ensure the transfer of allows.

Along with the said invention, the cabin heating system allows the thermostat assembly (10) to open and close naturally. integrated into its functions.

Radiator valve element (15.1), radiator valve seat in fully closed thermostat position (11.2) by sitting on the engine outlet (Eo) cooler to pass through the radiator ducts. hinders. Heater valve element (16.2), heater valve in fully open thermostat position By sitting on its seat (12.6), it prevents backflows coming from the bypass outlet (12.2). Top The first spring element (13) positioned between the valve structure (15) and the lower valve structure (16), the upper valve structure (15) and the lower valve structure (16), preventing full contact between these valve structures. It provides a flexible connection. Thus, the distance between these valve structures can vary.

Also, as a construction requirement, the upper valve structure (15) has only one sealing element. while the lower valve structure (16) has two sealing elements. Moreover, the bypass valve element (16.1) is larger than the heater valve element (16.2). The difference between their sizes It can be seen easily from 3b.

Claims (1)

REQUESTS It is a thermostat assembly (10) comprising a lower body (12) with an inlet (12.1) coming from the motor output (Eo) and a bypass output (12.2) part, and its feature is; said lower body (12) - heater primary output (12.3) providing conditional flow depending on the bypass output (12.2) - heater secondary output (12.4) providing continuous flow. It is a thermostat assembly (10) according to claim 1, and its feature is; - bypass valve element (16.1) and heater valve element that sits on the bypass valve seat (12.5) and heater valve seat (12.6), respectively, to prevent flows through the bypass outlet (12.2) and the heater primary outlet (12.3) simultaneously in the fully open thermostat position It is characterized by containing a lower valve structure (16) with (16.2) components. It is a thermostat assembly (10) according to claim 2, and its feature is; As a construction requirement, said lower valve structure (16) contains two sealing elements and it is characterized by that the bypass valve element (16.1) is larger than the heater valve element (16.2). It is a vehicle cabin heating method applied to the cabin heating system, which is integrated into the natural opening and closing functions of the thermostat assembly (10), and its feature is; - in fully closed or partially open thermostat positions the motor is fed by both the heater primary output (12.3) and the heater secondary output (12.4) in cold or warm states, - in the fully open thermostat position the motor is fed only by the heater secondary output (12.4) in hot states characterized by its content.