A semi-autonomous device for sampling industrial fluids with a diesel motor in operation
A semi-autonomous device for diesel engine fluid sampling in heavy machinery addresses safety and precision issues by autonomously controlling the sampling process, ensuring consistent sample volumes and reducing operator exposure.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-03-26
AI Technical Summary
Existing fluid sampling methods for diesel engines in heavy machinery are unsafe for operators, lack precision, and require manual intervention, leading to inconsistent sample volumes and prolonged worker exposure to heat and noise.
A semi-autonomous device that autonomously controls fluid sampling by using a housing for the sample container and an automatic cutting system to manage the probe, ensuring consistent fill levels through a fill level detection system, allowing the operator to perform other tasks safely.
The device ensures accurate and consistent fluid sampling without operator risk, freeing workers from manual handling and exposure to hazardous conditions, improving safety and efficiency.
Smart Images

Figure CL2024050177_26032026_PF_FP_ABST
Abstract
Description
[0001] A SEMI-AUTONOMOUS DEVICE FOR SAMPLING INDUSTRIAL FLUIDS WITH A RUNNING DIESEL ENGINE
[0002] Field of Invention
[0003] The present invention relates to systems for extracting samples of hydraulic fluids, oils, and coolants from a diesel engine of heavy machinery. Specifically, it relates to a device that allows for sampling industrial fluids, such as hydraulic fluids, oils, and coolants, at the correct fill level and without the presence of a specialized operator while the machinery is running. Specifically, it relates to a remote, automatic shut-off device and system that performs fluid sampling from the sampling valve in mining, construction, forestry, or marine equipment, in the various systems of a self-propelled industrial machine. This self-propelled industrial machinery must have non-return valves or typical sampling valves for taking samples from a combustion engine.
[0004] Background of the Invention
[0005] The aspects of this invention are generally related to a sensor device to be located in the vicinity of the filter system of a diesel engine of heavy machinery, for example front loaders, bulldozers, motor graders and others.
[0006] Like any type of machinery and its systems, the diesel engines of large transport vehicles will eventually experience problems. Regardless of how well-maintained the machinery is, it's normal for problems to arise, especially considering the stress they endure for many hours a day at a worksite or construction site.
[0007] Within the industry, fluid analysis methods exist to verify the internal condition of components or parts of self-propelled industrial machinery. Similar to taking a blood sample from humans or animals, a chemical analysis of the oil in a diesel engine, for example, verifies that the levels of wear and / or contamination of the component are within the values permitted by the manufacturer.
[0008] Preventive and predictive maintenance.
[0009] For the purpose of taking samples from the various systems and components of the machinery, typical sampling valves are available.
[0010] Typical sampling valves internally consist of a spring and a metal ball or non-return system. The oil does not leave the system because the pressure of the spring and ball keeps the valve closed, thus preventing oil from flowing out.
[0011] This sampling is performed using a probe and a transparent plastic bottle to collect the hot fluid. The probe consists of a flexible plastic hose and a plastic handle with a perforated metal tip.
[0012] To perform the sampling process, the worker must insert a probe into the sampling valve. The worker holds the probe with one hand and the bottle with the other.
[0013] When inserting the probe into a sampling point, the worker must push firmly to overcome the internal spring force. Once the spring force is overcome, the check valve opens and the hot fluid begins to flow out of the lubrication system. With the other hand, the worker holds the flask, which is already beginning to fill. When the fill level is acceptable or as required, the worker stops pushing the probe. Upon stopping, the valve spring returns to its closed position, preventing the hot fluid from flowing out. Depending on the location of the sampling valve, the worker may be crouching, kneeling, or standing on a ladder; therefore, sampling hot fluids can be uncomfortable.
[0014] When sampling is performed by a worker, variables remain subject to their discretion, which can lead to inaccurate results. One such variable is the fill level of the flask. This level is critical for subsequent chemical analysis in the laboratory. Too little oil is needed for the analysis process, while too much oil is likely to spill and contaminate the sample. The oil level in the flask must be correct.
[0015] A second variable in the activity of performing an oil sampling is the filling time, depending on the place to perform the sampling and the viscosity of the lubricating oil, the filling time can vary from a few seconds to a few minutes, so the worker must be present during the entire activity.
[0016] Oil sampling is performed and multiplied with each system of industrial machinery.
[0017] As an example of self-propelled industrial machinery, a mining haul truck is presented, which has combustion engine lubrication systems, steering and braking systems, hopper lifting systems, converter and transmission systems, and cooling systems. Fluid sampling is performed several times; in each sampling, the worker can make errors in the fill level, and the time is added if they have to wait for the bottle to fill to the correct level.
[0018] The device replaces the operator in the process of sampling hot fluids in self-propelled industrial machinery. While the device performs the sampling for the worker, the worker can dedicate time to another activity within the preventive maintenance process.
[0019] The device has a housing that holds a flask that receives the hot fluid, and on the other side, a head that holds and retains the probe through which the hot fluid flows into the flask. A fill level detection system monitors and determines when the flask has reached the correct fill level and the probe should be removed.
[0020] In this process the device is autonomous and independent.
[0021] The device ensures that the fill level is always the same, allowing the worker to dedicate this time to another activity.
[0022] In the state of the art there is a large number of patents related to systems for sampling hydraulic fluids, oils and coolants; these are carried out and multiplied with each industrial machinery system.
[0023] There are disadvantages related to systems for sampling hydraulic fluids, oils, and coolants, related to the risk and lack of safety for the specialized operators involved in such maintenance.
[0024] Modalities of such systems for sampling hydraulic fluids, oils and coolants are described, for example, in Chinese patent publication No. CN103808531 A, which relates to a device for taking engine oil samples without reducing speed.
[0025] The invention relates to a device for taking engine oil samples from an engine without slowing it down. An oil inlet guide tube connected to an engine oil return tube is connected to a micro pump; the micro pump is connected to an inlet of a three-way solenoid valve; a first outlet of the three-way solenoid valve is connected to an engine oil reservoir via an oil outlet guide tube; a temperature sensor is arranged in an oil outlet guide tube and at a connection outlet of the engine oil reservoir; a second outlet of the three-way solenoid valve is connected to a sampling bottle via a switching valve; a liquid level control sensor is arranged outside the sampling bottle.By adopting the device, engine oil sampling is achieved without reducing engine speed, the manufacturing cost is low, the degree of safety is high, the oil sample can be collected for timely testing and analysis, and real-time fault monitoring can be achieved.
[0026] There remains a need for a system for sampling hydraulic fluids, oils, and coolants, which will improve upon the current widely used ball valve system that puts the operator at risk, a system that is safe and additionally reliable in the method of measurement used.
[0027] Summary of the Invention
[0028] One object of the present description is to provide a novel device for measuring the fluid of a Diesel engine and its systems in heavy machinery.
[0029] The object of the description is achieved through the aspects characterized by what is set forth in the independent claims. Some modalities of the description are described in the dependent claims.
[0030] The features and characteristics, if any, described herein that are not within the scope of the independent claims should be construed as useful examples for understanding various aspects of the description. Some aspects of the description are defined by the independent claims.
[0031] The description is based on the idea of providing a device that is safe to operate for a specialized user, and that delivers accurate readings of hydraulic fluid, oil, or coolant levels from the sampling or check valve of a heavy machinery diesel engine.
[0032] The device replaces the worker in the sampling process. It consists of a housing that holds the bottle receiving the hot fluid and an automatic cutting system (head) that holds and retains the probe through which the hot oil or coolant flows from the diesel engine to the bottle.
[0033] A fill level detection system monitors and determines when the bottle reaches the correct fill level and the probe should be removed. The device operates autonomously and independently. The advantage of this system is that the fill level in the bottles remains constant. Depending on the viscosity of the oil or fluid, the filling time varies, freeing the operator to perform other tasks while the bottles are being filled through the respective sampling valve. Operators are kept away from sources of noise and direct heat. The worker performs three tasks:
[0034] • One, holds the jar
[0035] • Two, hold the probe
[0036] • Three, observe the fill level for when to release the probe.
[0037] The device performs these three tasks for the worker; it is a semi-autonomous device. It is semi-autonomous because the worker must install it, but the sampling itself is carried out by the device. A box holds the bottle, the probe is retained by the automatic cutting system (head), and when the fill level is detected as required, the head releases the probe, and the sampling of hot fluids ends.
[0038] One advantage of the description is that the device for measuring fluids, specifically oil, inside a diesel engine of heavy machinery, is a complement to the current measurement systems, which lack precision in measurements and pose risks to the personnel involved due to poor practices.
[0039] Brief Description of the Figures
[0040] Figure 1 is a perspective view of the front elevation of the measuring device with the measuring bottle inserted therein, according to the present invention.
[0041] Figure 2 is a perspective view of a measuring bottle for the device, according to the invention.
[0042] Figure 3 is a perspective view of the left side elevation of the measuring device, according to the present invention.
[0043] Figure 4 is a schematic perspective view of the side covers where a protruding portion can be seen that allows for ergonomics, according to the invention.
[0044] Figure 5 is a perspective view of the right side elevation of the measuring device with a detail of the horizontal rectangular perforation for locating the photoelectric sensors and the location of the AA batteries in both the left side face enclosure and the right side face enclosure, according to the present invention.
[0045] Figure 6 is a perspective view of the rear elevation of the measuring device, according to the present invention.
[0046] Figure 7 is a schematic perspective view of a diesel engine of heavy machinery with a detail of the measuring device located on the engine, according to the present invention. Figure 8 is a front elevation view of the measuring device, according to the present invention.
[0047] Figure 9 is a detail view of the upper end of the device, according to the invention.
[0048] Figures 10, 11 and 12 are perspective views of the automatic cut-off or shutdown system for sample extraction from the Diesel engine of a machine, in the case of a level of hydraulic fluids, oils and coolants, according to the present invention.
[0049] Figure 13 is a perspective view of the rear cover that covers the rear face of the device, according to the present invention.
[0050] Figure 14 is a view of the rear cover with hinges inserted into corresponding recesses, according to the present invention.
[0051] Figure 15 is a perspective view of the rear cover with Neodymium magnets inserted in the supports, according to the present invention.
[0052] Description of the Preferred Embodiments of the Invention
[0053] Figures 1 to 6, and 9 show a perspective view of the device (1) for sampling fluids, either hydraulic or oil (O), from a diesel engine (2) in self-propelled heavy machinery, for example, a bulldozer, front loader, mechanical shovel, motor scraper, and others. This device is remotely connected by means of a pipe or hose (M) to an automatic shut-off system (1 A) connected to a sampling valve of the diesel engine (2). The device consists of a hexagonal body (3) made of plastic material, which has a cylindrical perforation (4) facing forward (A). This perforation runs from the upper end (S) to about 1 / 3 of the total height of the body (3) before reaching the lower end (I), limiting to a flat surface (4) that serves as a support or base to receive and house a bottle (5) inserted through it.On the rear face (P) of this cylindrical perforation (4), centered and parallel to the axial axis of the Y, is located an elongated rectangular slot (6) of lesser width made in its surface, which allows to house inside a micro switch (7), whose function is to detect the entry and exit of the bottle (5) from inside the cylindrical perforation (4). Above this elongated rectangular slot (6) is located a circular perforation (8) of smaller diameter that passes through the rear face (P), which houses inside an LED diode (9), which indicates the correct position of the bottle (5) inside the body of the container (3).
[0054] In Figure 2, a perspective elevation of a graduated flask for measuring a fluid, oil, or liquid by means of the measuring device can be observed.
[0055] In Figure 3 and 5 (opposite), perspective view of the left side face (Ll), centered with respect to its height, a first recess or cutout of square shape of greater thickness is located on its side faces (18), in the form of a frame, where the upper face (S) is of lesser height, centered with respect to the Y axis, four perforations of smaller diameter are located (19), which allow fixing by means of fastening elements, pins or screws some battery holder assemblies (B), additionally it allows the location of a cover (20) in the recess (18), where each of said covers (20) has towards its front face (A) a semi-cylindrical portion (42) that forms part of the covers (20) which facilitates an ergonomic support for its removal from the left side faces (Ll) and right side faces (LD) of the device (1 ),At the inner vertex of the left (Ll) and right (LD) side faces are located two round perforations (21) on each side, which allow the passage of connection cables (C). Inside this recess (18) a flat surface (22) is formed, on which, centered with respect to the Y axis, is located the back of the slot (6) that allows the location of the micro switch (7). On this slot (6) is located the perforation (8) to locate the LED diode (9). Towards the upper end of this flat surface (22) towards each vertex, there is a round perforation (21) for the passage of cables (C) through it.
[0056] In Figure 4, a perspective view of the side covers (20) to be located on the left (Ll) and right (LD) side faces of the device body (3) can be observed. At the front end of both covers (20) there is a semi-cylindrical portion (42) that covers the entire height of each cover, that is to say from the lower face (I) to the upper face (S), which allows an ergonomic grip of the device (1).
[0057] In Figure 5, a perspective view of the right side face (LD) of the body (3) can be observed, in detail the horizontal rectangular cavity or perforation (24), located at the anterior upper vertices of both the left side elevation (Ll) and the right side face elevation (LD). Inside the cavity or perforation (24) is a photoelectric light emitter / receiver sensor (25) on the left side face (Ll) and receiver (25A) on the right side face (LD), which is part of the fluid / oil filling level detection system (O). The light beam from both the emitter and receiver passes through a cylindrical perforation or tunnel (26) as a channel or passage for the transmission of the collimated light beam, whose location and centering with respect to each other is of vital importance.Because if it is geometrically misaligned with the opposite channel or passage, the secant light beam will not be able to detect the fill level of oil or hydraulic fluid (O) in the measuring bottle (5). The smaller diameter cylindrical perforation (8) allows the passage of power supply cables (C), provided by the batteries (B). The number (41) indicates the side covers (41) that cover and protect the left (25) and right (25A) side photoelectric sensors, and a pack of AA batteries (B) can be seen to be inserted inside the second rectangular cutout (23), on both the left (Ll) and right (LD) side faces.
[0058] In Figure 6, rear face (P), centered with respect to its height, there is a second square recess (23) of greater thickness on its left and right side faces (Ll, LD), like a frame, where the upper face (S) and the lower face (I) are of lesser height, centered with respect to the left and right side faces (Ll, LD) are located perforations of smaller diameter (8) on each side, on the flat surface around the first recess (18) are located centered with respect to the Y axis, four perforations (19) of smaller diameter, which allow positioning a battery holder (B) and additionally the set of some covers (20), towards the left side there are two square perforations (21 ) for the passage of connection cables (C),Towards the upper face (S), at the vertex of the right side face (LD), there is a horizontal, rectangular recess (24) of lesser height to house the light emitter and receiver sensor (25, 25A). This rear cover (15) covers the rear face (P) of the device (1), where, towards the upper (S) and lower (I) vertices, four double vertical semicylindrical portions (11) can be seen, each separated by a flat cutout (12) in each cylindrical portion (11), which allows a stylized L-shaped rectangular portion (13) to be housed inside, acting as a pivoting hinge.
[0059] Figure 7 is a schematic perspective view of a heavy machinery diesel engine with a detail of the measuring device located on the engine, where the connection of the hose or probe (M) from the sampling valve (not shown) of the diesel engine (2) and the electrical connection cable (C) with the cutting system (1A) can be seen schematically.
[0060] In Figure 9, the exit of the ducts or tunnels (26) for the passage of the collimated light beam emitted by the photoelectric emission and reception sensor (25, and 25A), located respectively in the upper rectangular perforation (24) of the left lateral (Ll) and right lateral (LD) faces, can be observed at the upper end of the main cylindrical cavity or perforation (4).
[0061] In Figures 10 to 12, where it can be observed that the cutting system is formed by two separate bodies, a first body (CA) and a second body (CB) which are joined by means of a pin (not shown), this automatic cutting system (1 A) of the retention of the sampling probe of the device (1), which is formed by a cube-shaped enclosure (27) as a base which towards its left end comprises a semi-cylindrical cavity (28) that allows its precise adjustment in the sampling valve (not shown) located in a Diesel engine (2) of a mining, construction, forestry or marine machinery, or in any of its systems,Facing this semi-cylindrical cavity (28) is a first pivoting auxiliary lock (29), which is supported by a bolt (30) located in the base (27). Manually rotating this first pivoting auxiliary lock (29) prevents the assembly from detaching from the typical sampling valve. The base body (27) has a cavity (31) located inside the cube-shaped body (27) to house a standard-sized servo motor assembly (SM) (servo motor not shown in the figures). At the rear end (P) of the interior of the cube-shaped piece (27) is a rectangular stop piece (32) that securely fits the servo motor (SM). This cube-shaped base piece (27) is covered by a cover (33), which is secured to the base (27) by six smaller through bolts (34).A second main lock (35), pivotally fixed to the base (27) by means of a pin (34), is attached to a pivoting piece (39) that pivots around the pin (34). This piece continues the shape of the semi-cylindrical cavity (28). This second lock (35) faces a third secondary locking mechanism (36), which rests on its base so that it pivots around a pin (34). Its free end is formed by a curved portion (37) that has a notch of the same width as the free end of the second main lock (35), so that when closed it secures said main lock (35). Both locks are fixed to the base (27) by means of pins (34) located in their respective holes (38), allowing free movement of both the main lock (35) and the locking mechanism (36) with respect to their base (27).
[0062] Figure 13 is a perspective view of the rear cover (15) that covers the rear face (P) of the device (1), where you can see towards the upper (S) and lower (I) vertices 4 double vertical semicylindrical portions (11) separated each by means of a flat cutout (12) which allows to house inside a stylized rectangular portion in the shape of an L (13) as a pivotable hinge.
[0063] Figure 14 shows a perspective view of the rear cover (15), where the final assembly stage is the insertion of a neodymium magnet (16) to be secured with a bolt and nut in each of the stylized L-shaped rectangular portions (13) that act as hinges. Figure 15 is a perspective view of the fully assembled rear cover (15) showing the location of the four neodymium magnets already assembled.
[0064] When the device (1) is positioned and secured to a metal surface using the neodymium magnets (16), the base (27) is attached to the typical sampling valve by the semi-cylindrical portion (28) as a wedge. By moving the first lock (29), the base (27) is securely fastened to the typical sampling valve of the diesel engine (2) of the self-propelled heavy machinery. An operator inserts the empty measuring bottle (5) into the cylindrical portion (4) until the LED (9) located in the perforation (4) illuminates. The transparent bottle (5) then slides into the base of the cylindrical portion (4), creating a cavity, until it activates the microswitch (7) located in the elongated slot (6).
[0065] The electronic system is powered by batteries (B) located in recesses (23). The servo motor (SM), located in a sealed chamber (31), is activated, and a system test mode is performed. The servo motor (SM) rotates its shaft, which is attached by a screw. The pivoting piece (39) rotates and is secured by the secondary lock (36) (third locking mechanism) by opening or closing it. At this point, an operator inserts the sampling probe or tubing into the sampling valve with one hand. Using the fourth main lock (35), the operator pushes the probe into the sampling valve and, with the other hand, can move the locking mechanism (36) to prevent the probe from being ejected from the valve by its internal spring. The other end of the sampling probe or tubing is inserted into the empty bottle (5).The diesel engine (2) of the self-propelled machinery is started, and the fluid begins to flow out through a typical sampling valve and circulates through the probe or pipe into the bottle (5). The bottle (5), in its larger cylindrical portion (4), begins to fill. The photoelectric sensor assembly (25), both located in the perforations (24), emits an infrared light beam that passes through channels (26). When the bottle (5) is not yet at the required fill level, the infrared light beam passes freely through the channels (26) from the emitting photoelectric sensor (25) to the receiving photoelectric sensor (25A). When the fluid or oil reaches the required level, the infrared light beam is reflected. Therefore, the receiving photoelectric sensor (25), located in the cavity (24), stops receiving light and sends an electrical signal to an electronic board located in cavity (23).The electronics send an electrical signal via cable (C) connecting the device (1) to the base (27), rotating the servo motor (SM) located inside the enclosed box (27). The servo motor's first auxiliary lock (29) pushes the second locking mechanism (36), releasing the main lock (35). The bottle (5) containing the fluid is removed from the cavity (4), and the microswitch (7) located in the elongated rectangular slot (6) deactivates the power, turning off the LED (9) located in the perforation (8A) and all other circuitry. The device (1) is easily removed by detaching it from the supports (13) that hold the neodymium magnets (16).
[0066] The device (1) has on its front face a registration window (40) which serves to observe that the bottle (5) inserted in the larger cylindrical portion of cavity mode (4) has activated the micro switch (7) located in the elongated rectangular slot (6) and allows observation that the light emitted by the LED diode (9) inserted in the cylindrical perforation (8A) has been turned on when the electronic system is active.
[0067] Industrial Application of the Invention
[0068] The present invention relates to a semi-autonomous device for sampling industrial fluids with a running diesel engine. According to its application, it finds use in industry and in particular in the metalworking industry, the high-strength plastics industry in the manufacture of the device body casing, the high-strength rubber pipe industry in the manufacture of pressure hoses and probes, the electronics industry in the manufacture of sensors and circuits, LEDs, servo motors, photoelectric sensors, and the magnet industry.
[0069] Reference List, Figures and Report
[0070] Front side
[0071] B AA batteries C electrical connection cables
[0072] CA first body cutting system
[0073] CB second body cutting system
[0074] M hose or probe
[0075] Either oil or hydraulic fluid
[0076] I face or lower end
[0077] P face or posterior end
[0078] S top face
[0079] The left side or far left
[0080] LD side face or right end
[0081] SM servo motor
[0082] 1 device
[0083] 1 A automatic cutting system (head)
[0084] 2 Diesel engines
[0085] 3 container
[0086] 4 main cylindrical perforation
[0087] 5 clear measuring bottles
[0088] 6 elongated slots to house micro switches
[0089] 7 micro switches
[0090] 8 smaller diameter perforation
[0091] 8A drilling to locate LED diode
[0092] 9 LED diodes
[0093] 10 vertex
[0094] 11 four double semi-cylindrical portions
[0095] 12 removed cylindrical portion
[0096] 13 rectangular portion as a hinge
[0097] 14 cylindrical perforation for fixing manes
[0098] 15 rear cover
[0099] 16 Neodymium manes
[0100] 17 fastening elements (screws)
[0101] 18 first rectangular cutout centered perforations of smaller diameter (4) side covers square perforation flat surface bottom second rectangular cutout rectangular cutout for light sensor photoelectric sensor light emitter left side face A photoelectric sensor light receiver right side face cylindrical perforation for light beam passage cube-shaped enclosure servo motor holder semi-cylindrical cavity first auxiliary pivoting lock fixed bolt pivoting lock inner cavity cube rectangular stop-shaped piece cube cover fixed screws cover second main lock third securing lock curved portion as a locking notch perforations pins pivoting piece registration window two covers photoelectric sensor enclosures ergonomic semi-cylindrical portion
Claims
CLAIMS 1. A measuring device (1) consisting of a main body in the shape of a hexahedron as a container attached by means of neodymium magnets to a Diesel engine (2), which is remotely connected by means of a pipe or hose (M) to an automatic shut-off system (1A) connected to a sampling valve of the Diesel engine (2) for measuring the levels of hydraulic fluids or oils, which resolves and mitigates the risk to which specialized operators are subjected when performing this maintenance on a Diesel engine (2) while running (idling), CHARACTERIZED in that it has inside, oriented towards the front face (A) a cylindrical perforation (4) of larger diameter which runs from the upper end (S) to about 1 / 3 of the total height of the body (3) before reaching the lower end (I) limiting a flat surface (4) that serves as a support or base to receive and house a bottle (5) inserted through it,On the rear face (P) of this cylindrical perforation (4), centered and parallel to the axial axis of the Y, is located an elongated rectangular slot (6) of lesser width made in its surface, which allows to house inside a micro switch (7), whose function is to detect the entry and exit of the bottle (5) from inside the cylindrical perforation (4). Above this elongated rectangular slot (6) is located a circular perforation (8) of smaller diameter that passes through the rear face (P), which houses inside an LED diode (9), which indicates the correct position of the bottle (5) inside the body of the container (3).
2. The measuring device (1) connected to the automatic cutting system (1A) according to claim 1, CHARACTERIZED in that on the surface of the left (LD) and right (LD) side face, centered with respect to its height, there is located a first cutout or recess of square shape of greater thickness on its side faces (18), in the form of a frame, where the upper face (S) is of lesser height, centered with respect to the Y axis, on each side there are located four perforations of smaller diameter (19), which allow fixing by means of fastening elements, pins or screws, battery holder assemblies (B), which allows the location of the cover (20) in this recess (18), where each of said covers (20) has towards its front face (A) a semi-cylindrical portion (42) that forms part of the covers (20) which facilitates an ergonomic support for its removal from the left (Ll) and right (LD) side faces of the device (1), at the inner vertex of the left (Ll) and right (LD) side faces there are located on each side two round perforations (21), which allow the passage of connection cables (C), towards the interior of this recess (18) a flat surface (22) is formed, towards the upper end of this flat surface (22) there is located towards each vertex, a round perforation (21) for the passage of cables (C) through it.
3. The measuring device (1) connected to the automatic cutting system (1 A) according to claim 2, CHARACTERIZED in that a rectangular horizontal cavity or perforation (24) is located on the upper front vertex of both the left side face (Ll) and the right side face (LD), which houses a photoelectric light emitter / receiver sensor (25) on the left side face (Ll) and receiver (25A) on the right side face (LD), which forms part of the fluid / oil level detection system (O), wherein the light beam from both the emitter (25) and the receiver (25A) passes through a cylindrical perforation or tunnel (26) as a light transmission channel or passage, to detect the fill level in the measuring bottle (5), the smaller diameter cylindrical perforation (8) allows the passage of power supply cables (C), provided by AA batteries (B),in addition to assisting in its attachment to the body of the container (3)., 4. The measuring device (1) connected to the automatic cutting system (1A) according to claim 3, CHARACTERIZED in that at the upper end of the main cylindrical cavity or perforation (4) the outlet of the ducts or tunnels (26) for the passage of the light beam emitted by the photoelectric emission and reception sensor (25 and 25A) can be observed, located respectively in the upper rectangular perforation (24) of the lateral faces left (Ll) and right side (LD).
5. The measuring device (1) connected to the automatic cutting system (1A) according to claim 4, CHARACTERIZED in that on the left (Ll) and right (LD) side faces of the body of the device (3) there are side covers (20) in which towards the front end of both covers (20) there is a semi-cylindrical portion (42) that covers the entire height of each cover, that is to say from the lower face (I) to the upper face (S), which allows an ergonomic grip of the device (1 ).
6. The measuring device (1) connected to the automatic cutting system (1A) according to claim 5, CHARACTERIZED in that a rear cover (15) is provided covering the rear face (P) of the device (1), in which 4 double vertical semicylindrical portions (11) can be seen towards the upper (S) and lower (I) vertices, each separated by means of a cutout in the cylindrical portion (12) which allows housing inside a stylized rectangular portion in the shape of an L (13) as a pivotable hinge, in which the final stage of assembly of this rear cover (15) is provided by the insertion of a Neodymium magnet (16) to be fixed with a bolt and nut in each of the stylized rectangular portions in the shape of an L (13) as a hinge.
7. An automatic shut-off system (1A) for the sampling probe in a diesel engine (2), according to the preceding claims, CHARACTERIZED in that it is formed by two separate bodies, a first body (CA) and a second body (CB) which are joined by means of a pin (not shown), the body (CB) being formed by a cube-shaped enclosure (27) as a base which towards its left end (body CA) comprises a semi-cylindrical cavity (28) that allows its precise adjustment in the sampling valve located in a diesel engine (2), facing this semi-cylindrical cavity (28) is located a first pivoting auxiliary lock (29) which is supported by means of a pin (30) located in the base (27) when the first auxiliary lock is rotated The pivoting (29) manually prevents the assembly from detaching from the typical sampling valve.
8. The automatic cutting system (1A), according to claim 7, CHARACTERIZED in that the base body (27) has a cavity (31) located inside it, which allows a servo motor assembly (SM) to be housed inside. At the rear end (P) of the interior of the cube-shaped piece (27) is located a rectangular stop piece (32) that securely fits the servo motor (SM). This cube-shaped piece (27), acting as the base, is covered by a cover (33) which is secured to the base (27) by means of four smaller screws (34). A second main lock (35) is located pivotally fixed to the base (27) by means of six smaller through bolts (34), which pivots by means of the operation and rotation of the shaft of the servo motor (SM), supported on a pivoting piece (39), which pivots around the pin. (34), which continues the shape of the semi-cylindrical cavity (28),This second lock (35) faces a third secondary locking lock (36) which is supported at its base so that it pivots around a second pin (34). Its free end is formed by a curved portion (37) which has a notch of the same width as the free end of the second main lock (35) so that when closed, it secures said main lock (35).
9. The automatic shut-off system (1A), according to claim 8, CHARACTERIZED in that when the device (1) is located and secured by means of the neodymium magnets (16) on a metallic surface, the base (27) is fixed to the typical sampling valve by means of the semi-cylindrical portion (28) as a wedge, and by moving the first lock (29), the base (27) will be securely secured to the typical sampling valve of the Diesel engine (2), an operator will insert the empty measuring bottle (5) inside the cylindrical portion (4) until the light of the LED diode (9) located in the perforation (4) turns on; the transparent bottle (5) will slide to the base of the cylindrical portion (4) as a cavity until activating the micro switch (7) located in the elongated slot (6).
10. The automatic cutting system (1A), according to claim 9, CHARACTERIZED in that it is powered by AA batteries (B) located in the recesses (23), the servo motor (SM) rotates its shaft where a pivoting piece (39) is located and pushes the locking latch (36) backwards, opening it, so that an operator with one hand inserts the sampling probe or tube into the sampling valve, with the fourth main lock (35) the operator pushes the probe into the sampling valve and with the other hand can move the locking latch (36), the other end of the sampling probe or tube is inserted into the empty bottle (5), the Diesel engine (2) is started and the hydraulic fluid or oil (O) begins to come out through a typical sampling valve and circulates through the probe or tube into the bottle (5), the bottle (5) in the larger cylindrical portion in the form of a cavity (4) begins to fill,The photoelectric sensor assembly emitting (25) and receiving light (25A), both located in the perforations (24), emits an infrared light beam that passes through channels (26). When the bottle (5) is not yet at the required fill level, the infrared light beam passes freely through the channels (26) from the photoelectric emitting sensor (25) to the photoelectric receiving sensor (25A).
11. The automatic cutting system (1A), according to claim 10, CHARACTERIZED in that when the fluid or oil reaches the required level, the infrared light beam is reflected, therefore, the photoelectric receiver sensor (25) located in the cavity (24) stops receiving light and sends an electrical signal to an electronic board located in the cavity (23), the electronics send an electrical signal through a cable (C) that connects the device (1) with the base (27) rotating the servo motor (SM) located inside the enclosed box (27) which with its pivoting piece (39) pushes the second locking latch (36) releasing the main latch (35), the bottle (5) with the fluid inside is removed from the cavity (4) and the micro switch (7) located in the The elongated rectangular slot (6) deactivates the power by turning off the LED diode (9) located in the perforation (8A) and all the rest of the circuitry. The device (1) is easily removed by detaching it from the supports (13) that hold the neodymium magnets (16).
12. The automatic cutting system (1A), according to claim 11, CHARACTERIZED in that the device (1) has on its front face a registration window (40) which serves to observe that the bottle (5) inserted in the larger cylindrical portion as a cavity (4) has activated the micro switch (7) located in the elongated rectangular slot (6) and allows observation that the light emitted by the LED diode (9) inserted in the cylindrical perforation (8A) has been turned on when the electronic system is active, in addition to observing the level of fluid or oil (O) inside the bottle (5).
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