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184 results about "Foreign substance" patented technology

Vacuum cleaner and control method for the same

A vacuum cleaner includes a main body, a suction motor in the main body, an extension pipe, a suction head, connected to the suction motor through an extension pipe and including a suction port through which the foreign substances are sucked, a brush inside the suction head, a brush motor configured to rotate the brush, a pressure sensor configured to detect a pressure of air flowing through the suction port, a memory configured to store reference data used to identify the type of surface to be cleaned and a learning model to update the reference data, and a controller configured to determine a suction pressure based on the detected pressure and an atmospheric pressure, and identify the type of surface using the determined suction pressure, a load of the brush motor, and the stored reference data, and to update the stored reference data based on a predetermined update condition.
Owner:SAMSUNG ELECTRONICS CO LTD

Active energy irradiation device and inkjet printer

An active energy irradiation device includes a housing, an irradiation unit, a heat conduction member, a first opening that is provided at the housing, and an air introduction unit that deflects air flowing into the housing along a first direction via the first opening to a second direction intersecting the first direction to introduce the air to the heat conduction member. The air introduction unit includes a partition that is provided to face the first opening in the housing, and a filter that is provided between the first opening and the partition, and collects foreign substances contained in the air. The filter includes a first filter portion that is provided on the heat conduction member side to come into contact with the partition without being exposed from the first opening as viewed from the first direction.
Owner:HAMAMATSU PHOTONICS KK

Device and method for measuring content of foreign substances in polyester material

According to the device and the method for determining the content of the foreign substances in the polyester material, provided by the invention, alcoholysis reaction and filtering separation functions are integrated in the same device, so that the integration of a test process is realized. The device adopts a structure capable of being inversely arranged, and can be used as a reaction container when being inversely arranged, so that full alcoholysis of a polyester matrix is realized under high-temperature and high-pressure conditions; and the filtering efficiency can be improved through the internal and external pressure difference. The loss and pollution of foreign substances caused by sample transfer in a traditional method are avoided, and the test accuracy is improved from the source. In the aspect of the method, a hot ethanol circulating washing mechanism is introduced, so that residual depolymerization products are effectively dissolved and removed at a proper temperature, and pure retention of foreign substances is ensured. The whole determination process is completed in the same device, the operation steps are simplified, the analysis time is shortened, and the device has the comprehensive advantages of high test precision, wide applicability and the like.
Owner:JIANGSU HENGKE ADVANCED MATERIALS CO LTD

Head module for air compressor and air compressor comprising same

The invention discloses a head module for an air compressor and an air compressor including the same, which can completely prevent foreign matters from flowing into a stroke space for accommodating a crankshaft and a piston assembly from the outside, and can minimize noise flowing out of the stroke space to the outside. The head module for an air compressor includes: a crankshaft that receives power from the outside and rotates; a piston assembly including a connecting rod coupled to the crankshaft and a piston reciprocating by means of the connecting rod; the crankshaft is accommodated in the crank body; the air cylinder assembly is combined with the crank body, and a piston is arranged in the air cylinder assembly; a valve unit housed in the cylinder assembly and configured to be opened and closed in accordance with the reciprocating motion of the piston; a filter coupled to the cylinder assembly and filtering air flowing into the cylinder assembly; and a cooling fan coupled to the crankshaft and disposed at an end portion of the crank body, the cooling fan causing unfiltered air to flow into the crank body while rotating by means of the crankshaft.
Owner:MDX CO LTD

Surgical device for cleaning affected area

A surgical device for cleaning an affected area, according to the present invention, which is used in a surgical apparatus that sucks in foreign substances from a surgical site and discharges an affected area-cleaning solution to the surgical site, may comprise: a front cap coupled to the surgical apparatus; a rotary member which is rotatably coupled to the front end of the front cap; a movable member which is movably coupled to the circumferential surface of the rotary member; an outer pipe which is formed as a hollow pipe having a predetermined length and fixedly coupled to the movable member; an inner pipe which is inserted into the outer pipe, has one end passing through the movable member and the front cap while having an outer circumferential surface fixedly coupled to the rotary member, and has formed therein a first flow path through which at least one of the foreign substances and the affected area-cleaning solution flows, the first flow path communicating with the surgical apparatus; a bendable tube which has one end coupled to the other end of the inner pipe, which has formed therein a second flow path through which at least one of the foreign substances and the affected area-cleaning solution flows, the second flow path communicating with the first flow path, and which is made of a flexible material so as to be bendable; and an inlet / outlet member which has one end coupled to the other end of the bendable tube, communicates with the second flow path to allow at least one of the foreign substances and the affected area-cleaning solution to flow inside, and has formed therein a plurality of holes through which the foreign substances are sucked in or the affected area-cleaning solution is discharged.
Owner:GAYOUNG MEDICAL CO LTD

Camera module and electronic device including camera module

A camera module may include a reflective member including an incident surface and an exit surface through which light introduced into the incident surface passes, a bracket where the reflective member is disposed, a camera housing including a support where at least a portion of the bracket is disposed, and a side wall perpendicular to the support portion, a first carrier disposed in the camera housing and at least partially facing the bracket, a lens assembly including at least one lens facing the incident surface of the reflective member, the lens assembly being disposed in the first carrier such that the lens is spaced apart from the reflective member in an optical axis direction of the lens, a cover including an opening configured to accommodate a portion of the lens assembly, the cover being coupled to the camera housing, an image sensor disposed on the camera housing, and configured to receive light that has passed through the exit surface of the reflective member, a foreign substance trap, at least a portion of which is disposed between the image sensor and the lens assembly when the cover member is viewed from above, and an adhesive disposed in the foreign substance trapping portion.
Owner:SAMSUNG ELECTRONICS CO LTD

Dish washer

The present disclosure relates to a dish washer (1) in which a handle (31) is constructed to automatically protrude and move frontwards from a door (30) only when necessary such as opening and closing of the door (30), to prevent external foreign substances such as dust or the like from being introduced into the door, thereby preventing an inner space of the door from being contaminated and greatly improving user convenience. For this, the dish washer (1) comprises a handle driver (35) disposed inside the door (30) and configured to horizontally move the handle (31) from the retracted position toward the extended position or from the extended position toward the retracted position, wherein the handle driver (35) includes a driving motor (351) configured to generate a rotational driving force to be provided to the handle (31).
Owner:LG ELECTRONICS INC

Laundry treating apparatus and metal foreign substance detection method

The present application discloses a kind of clothes processing equipment and metal foreign matter detection method, the clothes processing equipment includes the metal detection module and infrared induction module being arranged at clothes delivery port;The metal foreign matter detection method includes: if it is judged that the interval time of the trigger signal generated by infrared induction module and the signal sensed by metal detection module exceeds the set interval time, it can be inferred that the user performs the clothes taking action, and the alarm device is not controlled to work.The above-mentioned metal foreign matter detection method provided by the present application can accurately distinguish and judge whether the user is throwing clothes or taking clothes.When it is judged that the interval time of the trigger signal generated by infrared induction module and the signal sensed by metal detection module exceeds the set interval time, it is inferred that the user is performing the clothes taking action, and the alarm device is not controlled to work, to avoid false alarm when taking clothes to bring the user's distress, improve the user's experience.
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1

Photosensitive element

Provided is a photosensitive element capable of forming a resist pattern having a thin photosensitive resin composition layer and high resolution, and capable of improving the manufacturing yield of a conductor pattern by suppressing resist pattern defects caused by a support film. In one embodiment, provided is a photosensitive element comprising a support film and a photosensitive resin composition layer, wherein: (1) the thickness of the photosensitive resin composition layer is 30 μm or less; (2) a hole pattern having a diameter of 10 μm or less can be resolved; and (3) the number of foreign substances having a long diameter of 5-30 μm, which are present inside the support film is 0.0004 / mm2 or less; and (4) the ratio of the number of foreign substances having no voids observable by an optical microscope having an objective lens with a numerical aperture of 0.6 to the number of the foreign substances having a major axis of 5-30 μm is 50% or less.
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Water pump

The present invention relates to a water pump comprising: a can in which a rotor is rotatably accommodated and which includes a shaft support unit on which a rotor shaft is supported; a motor housing in which the can and a stator are accommodated; a pin which is disposed on one side of the shaft support unit in an axial direction thereof and moves in the axial direction to be key-coupled with the rotor shaft; and a control unit housing detachably coupled to one side of the motor housing in the axial direction and having a pin accommodating groove in which the pin is accommodated and can move back and forth. The rotor shaft can be rotated by pressing the pin using a tool, thereby removing foreign substances adhered to the pump.
Owner:LG ELECTRONICS INC

Dishwasher and method for controlling dishwasher

A dishwasher according to an embodiment of the present invention relates to providing a control method for determining whether a filter is clogged. The dishwasher according to an embodiment of the present invention may comprise: a tub; a sump assembly disposed below the tub and storing washing water; a circulation pump that pumps and circulates the washing water stored in the sump assembly; at least one spraying device for spraying the washing water, pumped by the circulation pump, into the tub; a filter disposed below the tub and filtering foreign substances that flow inside the tub; a current sensor for detecting a driving current input to the circulation pump; a vibration sensor for detecting vibrations in the tub caused by the operation of the circulation pump; and a control unit configured to sense whether the filter is clogged on the basis of information acquired from the current sensor and the vibration sensor.
Owner:SAMSUNG ELECTRONICS CO LTD

Dust collector, vacuum cleaner, and cleaning apparatus

A dust collector of a vacuum cleaner including a dust collection case including an outlet; a cyclone module arrangeable in the dust collection case and inducing a swirling airflow of air; and a discharge door movable between an open position to open the outlet and a blocking position to close the outlet. The cyclone module including a fixed unit to be fixed to the dust collection case, a rotation unit having a rotation state of being rotatable with respect to the fixed unit based on the discharge door being in the open position and a locking state of being restricted from rotation with respect to the fixed unit based on the discharge door being in the blocking position, and a foreign substance blocking structure configured to block the foreign substance from being introduced into a gap along a vertical direction between the fixed unit and the rotation unit.
Owner:SAMSUNG ELECTRONICS CO LTD

the improved drainage PC unit and the construction method of drainage using the same

The present invention relates to a drain for filtering foreign substances and inducing water drainage on the side of a road, and A drain pipe (10) formed horizontally inside; A drain hole (20) formed by penetrating vertically from the top to the drain pipe (10); A male coupling part (30) formed protruding from one side; A female joint (40) formed by being recessed on the other side; Composed of including, The male coupling part (30) and the female coupling part (40) of another unit can be combined with the female coupling part (40) and male coupling part (30) of another unit, respectively, to enable dry construction. The above drain hole (20) is characterized by having a grating (200) installed on its upper side. An improved drainage PC unit (100) is provided, characterized in that another branch pipe (300) is connected to the drain pipe (10) in the longitudinal direction.
Owner:(유)삼송이엔시

Multi-functional air cleaner

ActiveKR102999019B1Foreign matterSuction force
A multifunctional air purifier is disclosed. A multifunctional air purifier according to one aspect of the present invention may include: a main housing; an air passage formed inside the main housing so that air from the outside can pass through after being introduced; a frost filter forming part that forms a frost filter made of frost inside the air passage so as to remove foreign substances from the air introduced into the air passage; a secondary filter part disposed inside the air passage so as to filter the air that has passed through the frost filter forming part; a main suction fan installed in the main housing so as to provide suction power to introduce external air into the air passage and to discharge the air that has passed through the frost filter forming part to the outside; and a control part that controls the operation of the frost filter forming part and the main suction fan.
Owner:KONKUK UNIV IND COOP CORP

Hinge device for foldable devices

The present invention relates to a linkage device for a foldable device, and more particularly, to a linkage device which supports a flexible display in a single plane when unfolded and which can ensure a remaining space when folded, thereby preventing damage to the flexible display, which ensures a maximum remaining space when folded and a display supported by a single plane when unfolded with a minimum number of components, which can rotate the first device and the second device symmetrically without additional synchronization components, which can be integrally formed with the housing without being combined with the first device and the second device, and which can prevent the inflow of foreign substances from the root cause during folding or unfolding.
Owner:尹兑重 +1

Dish washer and home appliance

PendingUS20260182814A1Interior spaceHome appliance
A dish washer and a home appliance are described. A handle is configured to automatically protrude and move frontwards from a door only when necessary such as opening and closing of the door, to prevent external foreign substances such as dust or the like from being introduced into the door, thereby preventing an inner space of the door from being contaminated and greatly improving user convenience.
Owner:LG ELECTRONICS INC

Gap-sealing type implant structure and implant structure installing method using same

PCT designated stageWO2026106301A1Dental implantsProsthesisMechanical engineering
The present invention relates to a gap-sealing type implant structure in which protrusions and grooves are formed in an abutment and a prosthesis, respectively, to induce a temporary binding force to be exerted by means of mutual fitting, and in particular, a method of pre-installing a packing made of a silicone or Teflon material on the abutment and then coupling the packing to the prosthesis is adopted to block a gap between the abutment and the prosthesis, thereby preventing various foreign substances generated during masticatory activities from penetrating between the abutment and the prosthesis to exhibit long-term hygiene, and maximizing convenience or efficiency of use due to ease of handling, use, maintenance, and repair resulting from a structure differentiated from the prior art. When the abutment (100) and the prosthesis (200) are coupled to each other, ring grooves (1) are recessed in contact surfaces in contact with each other, respectively, and a ring-shaped packing (300) is pre-installed in the ring groove of the prosthesis to be temporarily fixed, and then the prosthesis is coupled to the abutment, wherein the packing installed on the prosthesis is interposed in the ring groove of the abutment to seal the contact surfaces, thereby contributing to the prevention of penetration of foreign substances.
Owner:DMAX CO LTD

Device for replacing abrasive member of die grinder

The present invention relates to a device for replacing an abrasive member of a die grinder, the device having an improved structure wherein a simple rotation of a sleeve moves a stop rod in a straight line, and thus, allowing anyone to easily unlock a collet chuck with one hand and improving on-site usability. In particular, the device comprises a stop groove (10), a deflector (20), a stop rod (30), and a sleeve (40) as main components, wherein the sleeve protects the outer circumferential surface of the deflector, and an O-ring maintains an airtight seal between the deflector and the sleeve such that foreign substances are prevented from entering and causing malfunctions.
Owner:MAKEIT CO LTD

Tray for conveying battery cells

The invention relates to a tray for conveying battery cells, which adopts a double-layer hollow wall structure for minimizing a left-right gap in a manner of fastening an upper-layer battery cell and a lower-layer battery cell when the tray for conveying the battery cells is loaded in multiple layers. And a rib structure for preventing foreign matters generated when the tray for conveying the battery core is fastened up and down from entering the battery core placing part is adopted, so that the safety, reliability and the like in the carrying process can be improved by preventing the foreign matters from entering and the battery core from being damaged when the secondary battery is transported.
Owner:DONG YANG PHYSICS & CHEM +1

Braking system for vehicles

Vehicle braking system, comprehensive: a pedal designed to receive a pressure input from a user; a ball joint connected to the pedal; an actuating rod coupled to the ball head and designed to move when the pedal is pressed down; an auxiliary piston designed to move within an auxiliary cylinder body in accordance with the movement of the actuating rod; a mounting housing that encloses the auxiliary piston; and a piston guard which is mounted on the mounting housing and extends towards the actuating rod, wherein the piston guard touches the actuating rod so that foreign substances are prevented from entering the auxiliary piston.
Owner:HYUNDAI MOBIS CO LTD

Cleaner

PCT designated stageWO2026100834A1Suction filtersForeign matterScrub brushes
A cleaner is disclosed. A filter cleaning device of the cleaner may comprise a brush and a turbine. The brush may be disposed to be in contact with a filter unit provided inside a housing. The turbine is rotated by a flow of air. One of the filter unit and the brush is relatively rotated with respect to the other of the filter unit and the brush by the turbine. Through this, foreign substances accumulated on a filter can be cleaned by the brush.
Owner:LG ELECTRONICS INC

Cleaning device

The cleaning apparatus according to one embodiment of the present invention may comprise: an image capturing unit that captures an image of a surface of a flat substrate including a wafer or a mask; a laser unit configured to irradiate a laser beam to a target position when the target position to which a foreign object is attached is confirmed by the imaging unit; a cleaning unit that sprays a gas toward the target position and a peripheral portion thereof; and a suction unit that sucks in the suspended matter generated by the laser unit and / or the cleaning unit.
Owner:COWIN DST CO LTD

Anti-reverse flow filter for electric pump suction pipe

The present invention, by attachment to the end of a suction pipe of an electric pump, prevents foreign substances from flowing into water suctioned into a suction pipe, so that the water can be suctioned in easily, and when pumping operation is temporarily stopped, the water that has flowed into the suction pipe path does not flow backward. Thus, when the pumping operation is resumed, the pumping operation can be carried out smoothly. More specifically, a connection pipe having a filtering suction pipe is attached to the end of a suction pipe of the electric pump in order to allow the water to flow in smoothly while preventing inflow of foreign substances, and a partition disk is provided at the boundary between the filtering suction pipe and the connection pipe and a water passage hole is formed in the central portion, and then an opening / closing disk is installed on the water passage hole so that the opening / closing disk is opened due to the water suction force and the water passage hole is opened when pumping is in progress, and the opening / closing disk blocks the water passage hole of the partition disk when pumping is stopped to prevent backflow of the water in the suction pipe path, thereby allowing the pumping operation to be carried out smoothly.
Owner:SI JONG WOOK +1

A laundry treating apparatus

The embodiment of the present application provides a kind of clothes processing equipment, including shell, cylinder body component, door seal ring and airflow passage, shell has opening, cylinder body component is set in shell, the end of cylinder body component close to opening is set clothes putting opening, door seal ring is set at clothes putting opening and opening, the lower part of door seal ring is provided with at least one first interface, airflow passage end along airflow flow direction with first interface communication, airflow from airflow passage is introduced into the radial inner side of door seal ring by first interface, because the lower part of door seal ring can exist humid, water accumulation situation and easily lead to bacteria breeding, by being provided with first interface in the lower part of door seal ring, so that airflow from airflow passage is introduced into the radial inner side of door seal ring by first interface, for the radial inner side ventilation of door seal ring, to be able to make door seal ring keep dry state, thus, clothes processing equipment provided by the embodiment of the present application can prevent door seal ring to produce mould and other foreign substances or cause stench.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

Device and method for the particularly contactless inspection of containers for foreign substances

The invention relates to a device for the particularly contactless inspection of containers for foreign substances, especially in the case of bottles, preferably RefPET bottles, comprising: a lighting device for illuminating a container with light of at least one wavelength, an optical detection device configured to capture at least one multispectral image of the container and an analysis device connected to the optical detection device and designed to: - Determining at least a part of a frequency spectrum representing a fluid contained in the container, from at least one section, preferably several sections, of at least one multispectral image of the container, - Comparing the determined at least part of the frequency spectrum with one or more predefined frequency spectra of one or more reference fluids and providing a comparison result and - Determine whether the fluid contained in the container contains a foreign substance, based on the comparison result.
Owner:UNISENSOR SENSORSYST

Method for manufacturing electronic device

Provided is a method for manufacturing an electronic device that includes a step for preparing a structure (100) that includes an adhesive film (10) provided with a substrate layer (A), an adhesive resin layer (B), and an adhesive resin layer (C), a workpiece (20) temporarily fixed to the adhesive resin layer (B), and a support member (30) temporarily fixed to the adhesive resin layer (C), and a step for processing the workpiece (20) temporarily fixed to the adhesive resin layer (B), wherein the substrate layer (A) is positioned between the adhesive resin layer (B) and the adhesive resin layer (C), the adhesive resin layer (C) contains thermally expandable microspheres, and the number of foreign substances of the adhesive film (10) is less than 10, as observed according to a predetermined method.
Owner:MITSUI CHEM ICT MATERIA INC