A fuel injector test device having ease of production
Patent Information
- Application Number
- TR202417169U
- Authority / Receiving Office
- TR · TR
- Patent Type
- Utility models
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2026-06-22
- Estimated Expiration
- 2034-11-29
Smart Images
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Abstract
Description
1 TARIFF A fuel injector testing device with ease of production. TECHNICAL FIELD OF INVENTION 5 The present invention relates to a test device with ease of manufacture according to the preceding part of claim 1. It is related. BACKGROUND OF THE INVENTION 10 The test device measures the hydraulic flow rate of fuel injectors. This test device measures flow rates from 100 bar to... It can operate between 2500 bar. The test device is supplied via a main power supply channel. A high-pressure fuel is fed into a pressure chamber of the test nozzle piece. During the injection process, fuel may leak from the pin channel; however, this leakage is limited to 15 This is reduced by a sealing arrangement around the pin channel. In the previous technique... Test equipment uses specialized tools for machining grooves that accommodate an O-ring. These grooves are typically precise to fit snugly into the O-ring. They are sized to provide a leak-proof seal against fuel leaks. The prior technical documentation is published in patent application number US6290148B1. This The document states that a fuel injection valve's nozzle needle is axially located in a nozzle body. its orientation and rear end pointing towards a compression chamber and a damping Its functional connection to the body is revealed. Along with the damping hole. The recesses of the damping housing house a fuel-filled damping chamber 25 This is achieved by opening the valve, compressing the fuel inside the compression chamber. Therefore, valve opening is delayed. If the nozzle needle exceeds the damping pulse (hd), this In this process, the fuel pressure is reduced by a transmission system with an outlet chamber. The damping housing has a damping hole along at least part of its length. is being redirected. 30 However, additional solutions are needed to improve the reliability of the testing equipment and production efficiency. It needs to be searched. 35 2 A BRIEF DESCRIPTION OF THE INVENTION One aim of the present invention is to improve the nozzle portion of fuel injectors in internal combustion engines. The goal is to eliminate the need for a groove machining process in a test device that measures hydraulic flow rate. The existing Another aim of the invention is to minimize the risk of fuel leakage, thus ensuring test 5 The aim is to increase the reliability of the device. To achieve the stated objective, the present invention, Providing a sealing area for a pin channel while eliminating machining operations It relates to a testing device. In the present invention, a hydraulic 10 nozzle portion of the fuel injectors of internal combustion engines is incorporated. a test device that measures flow rate and has a main axis that is perpendicular to the flow rate in a working condition It is presented as follows: The test device has a main supply that provides pressurized fuel to the test device. It includes at least one first module and at least one second module that have a channel. The second module is in fluid transmission via the main supply channel and is being tested. A primary channel delivers pressurized fuel through a nozzle located beneath the module, and 15 It has a pin channel, where the pin channel allows for reciprocal pin movement within the pin channel. It is created within the second module and on the main axis in such a way as to provide the test. the device, created on the pin channel and having a diameter wider than the diameter of the pin channel It includes a reservoir that contains at least one washer and at least one The sealing element is manufactured in a size that allows for its positioning. Thus, 20 fluid escaping from the nozzle's pressure chamber and the second channel This is prevented. The processing and forming of a single chamber on the pin channel requires special processing. This eliminates the need for fine machining with the tools. This also applies to the testing device itself. It also eliminates manufacturing defects. In a possible configuration of the invention, one length of the reservoir is connected to the second on the main axis. It is equal to or slightly shorter than the length of the pin channel within the module. Thus, there is excess. Appropriately sized via a reservoir to recover the fluid and ensure a leak-proof seal. a volume is provided. According to the present invention, such a reservoir can be produced in a simple manufacturing process. For example, this is provided in a single-step general processing operation. 30 In a possible configuration of the invention, the reservoir would be located close to the first module of the testing device and It is created inside the second module. Thus, it is close to the first module on the pin channel. A leak-proof seal is ensured. 35 In another possible configuration of the invention, at least two washers are provided inside the reservoir. Thus, the washers ensure that the sealing element is held within the chamber. 3 In another possible configuration of the invention, the sealing element is an O-ring. Thus, it provides an effectively tight seal in the reservoir. In another possible configuration of the invention, a recovery hole 5 would be located on the reservoir. This is done so that the fluid accumulated in the reservoir is discharged through the recovery hole. This is ensured. In another possible configuration of the invention, the second module is relative to the main axis of the test device. It has a second channel arranged at a narrower angle than the angle of the first channel, 10 Here, the second channel is created as a continuation of the first channel. Thus, from the second channel... incoming fluids directly hitting a spring plate or any other wall of the nozzle Collision is prevented. In another possible configuration of the invention, the second channel would be 15 times larger than the diameter of the first channel. It is formed in the second module, which has a small diameter. Thus, coming from the second channel... The fluid is prevented from colliding with a spring plate under high pressure. In another possible configuration of the invention, the second channel would be connected to a pressure chamber of the nozzle. It is designed to facilitate fluid transmission. Thus, the fluid flows through the second channel 20 This ensures that the liquid is transmitted to the nozzle. 4 BRIEF DESCRIPTION OF THE FIGURES The sole purpose of the attached drawings, whose advantages over the previous technique are given above, is to show the current The purpose is to illustrate the invention, and these drawings will be explained in detail below: In Figure 1, according to the present invention, a first module, a second module, a reservoir, and a main a nozzle with an axis, a first channel, a second channel and a recovery orifice. A two-dimensional cross-sectional view of a testing device is given. In Figure 2, according to the present invention, the first module consists of a second module, a reservoir, two washers, and a 10 A two-dimensional cross-sectional view of the test device for nozzles with a sealing element. is provided. In Figure 3, according to the present invention, the first module consists of a second module, a reservoir, a washer, and a... A two-dimensional cross-sectional view of the test device for nozzles with sealing element. 15 is provided. In Figure 4, according to the previous technique, a first module, a second module, a first cavity, and a A two-dimensional cross-sectional view of the testing device with a second cavity is given. 5 REFERENCE NUMBERS 100 testing devices 11 first module 111 main supply channels 5 12 second modules Channel 121 122 second channel 123 pin channel 124 first cavity 10 125 second cavity 126 recovery holes 13 compartments nozzle (part of a nozzle) 21 pressure chambers 15 22 spring plates 23 internal channels 24 needles pin 40 sealing elements 20 50 stamps A main axis 6 DETAILED DESCRIPTION OF THE FIGURES Referring to the figures summarized above, the present invention describes a test, preferably for a fuel injector. The device (100) is presented. In the previous technique, the test device (100) has a second module (12), 5 for the placement of a sealing element (40) and other elements for sealing purposes It is machined to create a series of cavities. The machining process is complex and time-consuming. This can lead to longer production times. The creation of these cavities... The need for specialized tools increases production difficulties and leads to lower productivity. This is the reason. In addition, errors can lead to improper sealing, which This can also lead to potential fuel leaks during the processing operation. 10 In Figure 4, according to the previous technique, a first module (11), a second module (12), a first cavity (124) and a two-dimensional test device (100) for a nozzle (20) with a second recess (125). A cross-sectional view is given. The first cavity (124) is designed to hold the sealing element (40). is being organized. Coming from the first channel (121) or in another structure; from the second channel 15 (122) the incoming fluid can seep into a pin channel (123) formed inside the nozzle (20). Sealing element (40) connecting the first groove (124), the fluid into the first groove (124) It prevents the first module (11) from passing through. The second slot (125) is in the pin channel. (123) a recovery that allows the discharge of any excess fluid that has accumulated. It has a hole (126), so optimum pressure conditions are ensured in the system. 20 In Figure 1, according to the present invention, a first module (11), a second module (12), and a reservoir (13), a main axis (A), a first channel (121), a second channel (122) and a recovery A two-dimensional cross-sectional view of a test device (100) for a nozzle (20) having a hole (126). A test piece, for example a nozzle (20), is given under the second module (12) 25 It is located. In the figures, a part of the nozzle (20) is particularly in the pressure chamber (21) It is shown and given in a cross-sectional view. Because the whole nozzle (20) is shown in the figures. not given, the nozzle (20) in the description, refers to a part of the nozzle (20) given in the figures. It does. The reservoir (13) in which the recovery hole (126) is arranged, the second module It is formed on (12). Positioned along the main axis (A) and pin channel (123) 30 During the movement of the pin (30) placed inside, fluid passes through the pin channel (123). It can leak. Then, the accumulated fluid is discharged through the recovery hole (126). This is done so that any leaking fluid does not negatively affect the test device (100). is provided. 35 In this context, the “main axis (A)” runs along the test device (100) as can be seen from Figure 1. The extending test device (100) has one main axis. 7 In addition, the second channel (122) is relative to the main axis (A) of the test device (100) of the first channel. (121) is arranged at a narrower angle than one, where the second channel (122), It is created as a continuation of the first channel (121). In addition, the second channel (122) is created as a continuation of the first. The second module (12) is formed with a diameter smaller than one of the diameters of the channel (121). Additional as such, the second channel (122), in which only some parts of the figures of the present invention are shown. The nozzle (20) is designed to be in a pressure chamber (21) for fluid transmission. The pressure chamber (21) is formed in the middle of the nozzle (20) and a spring plate (22) pressure It surrounds its reservoir (21). In Figure 2, according to the present invention, the first module (11), the second module (12), the reservoir (13), two washers 10 (50) and two-dimensional test device (100) for nozzle (20) with a sealing element (40). A cross-sectional view is given. This shows the nozzle of the fuel injectors of internal combustion engines. (20) has a principal axis (A) that measures a hydraulic flow velocity and is perpendicular in a working condition. test device (100), a main supply channel (111) that supplies pressurized fuel to the test device (100) 15 having at least one first module (11) under the second module (12) to be tested The nozzle (20) located inside supplies pressurized fuel and through the main supply channel (111) at least one second channel having a first channel (121) and a pin channel (123) in fluid transmission module (12) contains, where pin channel (123), pin channel (123) opposite pin (30) In order to provide movement, inside the second module (12) and on the main axis (A) is created. In addition, the test device (100) is created on the pin channel (123) and 20 It contains a reservoir (13) with a diameter wider than one diameter of the pin channel (123), word The subject is a reservoir (13), containing at least one washer (50) and at least one sealing element (40) It is created in a size that allows it to be positioned. In addition, sealing 25 which includes the reservoir (13), the sealing element (40) and the washers (50). The area of the second module is closer to the first module (11) as can be seen from Figure 2. (12) is located within. This is any way towards the first module (11) during the study. It provides a secure seal that effectively prevents fluid leakage. Sealing element (40) provides the primary sealing function, while washers (50) seal element (40) It supports and secures the sealing element (40) to hold it in place, which is 30 This increases the overall integrity of the sealing system. This arrangement ensures optimum pressure. by ensuring the conditions and preventing fluid leakage, the test device (100) is reliable. It contributes to his / her performance. In Figure 3, according to the present invention, the first module (11), the second module (12), the reservoir (13), the washers 35 (50) and two-dimensional test device (100) for nozzle (20) with sealing element (40). A cross-sectional view is given. At least two washers (50) are located inside the reservoir (13), 8 The sealing element (40) is arranged between the washers (50), this arrangement, The sealing element (40) is held in the chamber (13). Pin channel (123) A pin (30) is shown located inside, where the pin channel (123) is connected to the pin. (30) is such that a reciprocal movement is provided. Part of one of the needles (24) of the nozzle (20) is also It is shown in Figure 3. The needle (24) of the nozzle (20) is in an inner channel (23) of the nozzle (20) 5 positioned and pin (30), nozzle (20) during fuel injection process needle (24) It applies a pushing force on it. The pressure chamber (21) is a spring in the nozzle (20). It is formed inside the plate (22). One end of the pin (30) is inside the pressure chamber (21). It applies a pushing force to one end of the needle (24). In a detailed description of the present invention, the test device (100) describes the test device during operation. (100) a first module (11) and a second module with the main axis (A) to which it is oriented perpendicularly. (12) includes. The first module (11) is a main supply that delivers pressurized fuel to the first channel (121). It includes the channel (111) and the second module (12) directs the flow of fuel through the nozzle (20). It includes the first channel (121) and the second channel (122) which facilitate. The second channel (122) is the main 15 at a narrower angle compared to the angle of the first channel (121) with respect to the axis (A) This design modification is being implemented to create a more favorable fluid flow path. to provide and high-pressure fluid to sensitive components such as spring plate (22) It minimizes the risk of collision. In addition, the reservoir (13) is on the second module (12) strategically located and multiple washers (50) and at least one sealing element (40) 20 It is designed to match the washers (50) and the sealing element (40) on the outside. the diameter, the washers (50) and the sealing element (40) are fixed by being hammered into the reservoir (13). It is larger than the outer diameter of the reservoir (13) in such a way as to provide. This configuration effectively prevents fluid leakage towards the first module (11) during operation. It provides a safe sealing area which prevents leakage. Sealing element (40) While serving as the primary sealing element, washers (50) provide support and stability. This ensures a higher level of integrity in the sealing area. Thus, 30 inside the second module (12) of the test device (100) and on the pin channel (123). A simple processing method is obtained to create a reservoir (13). A reservoir (13) is obtained. A wider gap with the recovery hole (126) on the pin channel (123) It is formed where the reservoir (13) has a larger diameter than the pin channel (123). Thus, with a single chamber (13) and easily a chamber (13) on the pin channel (123) to create at least one washer (50) and at least one sealing 35 by a single processing operation A large space is also provided for the positioning of the element (40). In this way, the special 9 The need for fine machining is eliminated with processing tools. This also applies to testing. It also eliminates manufacturing defects on the device (100). As an advantage, in the present invention, both the efficiency and reliability of the test device (100) are great. It is increased in size. Robust 5 containing the sealing element (40) and multiple washers (50). The sealing area provides a secure barrier against fluid leakage. This is useful for both testing. to maintain the integrity of the device (100) and to prevent damage caused by exposure to fluid. by reducing wear and tear on the components, thus extending their lifespan. This increases production time. In addition, by eliminating complex processing operations, production time is reduced. being reduced, enabling faster production and implementation of the test device (100) 10 is provided.
Claims
REQUESTS 1. A hydraulic flow rate of a nozzle (20) of fuel injectors of internal combustion engines a test device (100) which measures and has a principal axis (A) that is perpendicular in a working condition and the test device (100) has a main supply that provides pressurized fuel to the test device (100) 5 at least one first module (11) and at least one second module (12) with channel (111) including the second module (12), the main supply channel (111) with fluid the nozzle which is in transmission and is located under the second module (12) to be tested (20) to a first channel (121) and a pin channel that supplies pressurized fuel through it. (123) having, here, pin channel (123), in pin channel (123) opposite pin 10 In order to provide movement, inside the second module (12) and on the main axis (A) the fact that it was created, the characteristic of the test device (100); the test device (100), formed on the pin channel (123) and wider than one diameter of the pin channel (123) containing a reservoir (13) with a diameter, the said reservoir (13) containing at least 15 in size such that one washer (50) and at least one sealing element (40) can be positioned. It is the fact that it has been created.
2. According to claim 1, a test device (100) has the characteristic of having a length of reservoir (13), main The length of the pin channel (123) in the second module (12) on axis (A) is equal to one of the lengths of the pin channel (123) on axis (A) or The other is that it is a little shorter. 20 3. A test device (100) according to claim 1 or 2, and its feature is; the reservoir (13), second module (12) created inside and close to the first module (11) of the test device (100). It is the fact that.
4. A test device (100) according to any of the previous requirements, and its feature is that the reservoir (13) is that at least two stamps (50) are provided.
5. A test device (100) according to any of the previous requirements, and its feature is: The sealing element (40) is an O-ring. 30 6. A test device (100) according to any of the previous requirements and its feature is a reservoir (13) It is that a recovery hole (126) has been created on it.
7. A test device (100) according to any of the previous requirements and its feature is the second 35 one of the first channels (121) according to the main axis (A) of the module (12) of the test device (100). 11 It has a second channel (122) arranged at a narrower angle than the first, Here, the second channel (122) was created as a continuation of the first channel (121).
8. According to claim 7, a test device (100) is characterized by the fact that the second channel (122) is the first channel. (121) formed in the second module (12) which has a diameter smaller than one of the diameters. It is the fact that.
9. A test device (100) according to claim 7 or 8, the feature of which is the second channel (122), nozzle (20) is formed to be in fluid transmission with a pressure chamber (21). that is. 10 CLAIMS 1. A test device (100) that measures a hydraulic flow rate of a nozzle (20) of fuel injectors of internal combustion engines and having a main axis (A) which is perpendicular in an operating state, comprising: at least one first module (11) having a main feed channel (111) providing pressurized fuel into the test device (100), at least one second module (12) having 5 a pin channel (123) and a first channel (121) in fluid communication with the main feed channel (111) and providing pressurized fuel through the nozzle (20) which is positioned under the second module (12) for being tested, wherein the pin channel (123) is formed on the main axis (A) and inside the second module (12) such as providing reciprocally pin (30) movement in the pin channel (123) characterized in that, the test device (100) comprises a 10 chamber (13) formed on the pin channel (123) with a wider diameter than a diameter of the pin channel (123) and formed in dimension to dispose at least one washer (50) and at least one sealing member (40) can be positioned inside the chamber (13).
2. The test device (100) according to claim 1, wherein a length of the chamber (13) is equal or a little shorter than a length of the pin channel (123) in the second module (12) on the 15 main axis (A).
3. The test device (100) according to claim 1 or 2, wherein the chamber (13) is formed close to the first module (11) of the test device (100) and inside the second module (12).
4. The test device (100) according to anyone of the preceding claims, wherein at least two washers (50) are provided inside the chamber (13). 20 5. The test device (100) according to anyone of the preceding claims, wherein the sealing member (40) is an O-ring.
6. The test device (100) according to anyone of the preceding claims, wherein a recovery hole (126) is formed on the chamber (13).
7. The test device (100) according to anyone of the preceding claims, wherein the second 25 module (12) has a second channel (122) with a narrower angle according to an angle of the first channel (121) regarding to the main axis (A) of the test device (100) wherein the second channel (122) is formed in continuation of the first channel (121).
8. The test device (100) according to claim 7, wherein the second channel (122) is formed in the second module (12) with a diameter smaller than a diameter of the first channel (121). 30 9. The test device (100) according to claim 7 or 8, wherein the second channel (122) is formed as in fluid communication with a pressure chamber (21) of the nozzle (20).