161 results about "Filter holder" patented technology

The disclosure relates to an apparatus for measuring Radon progeny. The apparatus moves air through a filter and thereby collects Radon progeny on the filter and detects radiation from the collected progeny using a semiconductor detector. The apparatus might use a filter that is permanently attached to a filter holder, which aids in miniaturizing the detection system. The apparatus might determine the equivalent equilibrium Radon concentration and possibly the Radon concentration. The apparatus is suited for measuring Radon relatively fast. The disclosure also relates to a method for measuring Radon using the apparatus, where a measurement is performed at a place where air movement is unlikely.

The utility model discloses an air pressurizing and purifying box for a plateau pressurizing cabin, which relates to the field of air pressurizing and purifying and comprises a lower shell, an air outlet filter and an air inlet filter, and the air outlet filter is fixedly arranged on the side wall of an air outlet filter support. Through the arrangement of the air inlet filter and the air outlet filter, air is filtered by the air inlet filter and then conveyed into the pressure pump, then the pressure pump can pressurize the air, and the pressurized air can be conveyed into the air outlet filter through the connecting mechanism; aCF (activated carbon fiber) filter elements in the air inlet filter and the air outlet filter have relatively large surface areas, rich micropores, high adsorption capacity and relatively high removal efficiency on harmful gas and odor in air, a box body is made of high-strength light aluminum alloy, then the air is compressed by a pressure pump, dust particles, peculiar smell and moisture are removed by an air purification system, and the air is purified by an air purification system. Clean compressed air is conveyed into the cabin through the hose, and the pressurization effect is achieved.

1. Name of the product in this design: Filter cup holder (1). 2. Purpose of this design: Cup holder for a coffee filter cup. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. Name of the Design Product: Atomizing Nozzle Filter Holder. 2. Use of the Design Product: To fix the atomizing nozzle filter. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1.

The utility model relates to the technical field of filter supports, and discloses a quadruple filter support which comprises a carrier and a filtering device, the top of the filtering device is detachably connected with a pressing table, the top of the pressing table is rotatably connected with a knob, the bottom of the knob is fixedly connected with a driven table, and the driven table is fixedly connected with a motor. A plurality of driven grooves are formed in the bottom of the driven table, driven columns are slidably connected to the interiors of the driven grooves, driven plates are rotatably connected to the exteriors of the driven columns, a plurality of driven blocks are slidably connected to the interior of the pressing table, and a first spring is fixedly connected to the inner wall of the left side of one of the driven blocks; the right side of the first spring is fixedly connected with a wedge-shaped block. According to the filter device, the pressing table is quickly disassembled and assembled, complex operation is not needed when the filter element is replaced, the filter element replacement efficiency is remarkably improved, manpower and time cost is saved, it is ensured that the pressing table stably fixes the filter element, the filter element is prevented from being separated in the using process, and stable operation of the filter device is guaranteed.

The utility model belongs to the technical field of camera devices, and particularly provides a double-optical-filter switching module and a camera module. Two guide rails which are oppositely arranged in the width direction of the fixed frame are arranged on one side of the fixed frame; the full-transparent optical filter bracket and the infrared cut-off optical filter bracket are respectively arranged on two opposite sides of the fixed frame and are provided with mounting holes; the rotating motor comprises a first rotating body and a second rotating body which are the same in shape and size; the first rotating body and the second rotating body respectively penetrate through the corresponding guide rails and are inserted into the mounting hole of the full-transparent optical filter and the mounting hole of the infrared cut-off optical filter bracket, and the first rotating body and the second rotating body respectively drive the full-transparent optical filter bracket and the infrared cut-off optical filter bracket to move relatively under the driving of the rotating motor; according to the utility model, the first rotating body and the second rotating body on the rotating motor drive the full-transparent optical filter support and the infrared cut-off optical filter support to move in the guide rail so as to realize accurate switching of double optical filters.

Filter holders and membranes are provided that can be included within a bioreactor bag system. The filter holders and membranes include features that allow incorporation of advanced membrane materials having differing material characteristics than traditional membranes that more closely matched the characteristics of the filter holder.

The utility model belongs to the technical field of filling equipment, and discloses a positive pressure cover for filling equipment, which comprises a cover body covered outside the filling equipment, the cover body comprises a top frame and a side frame which are connected with each other, the top frame is connected with a top plate, the top plate covers the top frame, and the side frame is connected with a bottom plate. A part of the side face frame is connected with a side plate, and the side plate covers the part of the side face frame. The filter support is connected to the remaining part of the side face frame and located on the outer side of the side face frame, a filter is installed on the top of the filter support, and the interior of the filter support is communicated with the interior of the cover body; gas treated by the filter sequentially passes through the output end of the filter and the interior of the filter support to enter the cover body, and the top face of the filter is lower than the top face of the top plate. The overall height of the positive pressure cover is reduced.

The present application discloses a coffee grinder comprising: a machine body having a motor and a grinding part for grinding coffee beans; and a device for detecting the presence of a filter and / or a filter holder in a set position suitable for receiving ground coffee, wherein the detection device comprises a normally open switch comprising a first half-support for the filter and / or the filter holder and a second half-support for the filter and / or the filter holder, the switch being arranged to close when the filter and / or the filter holder is in electrical contact with the first half-support and in electrical contact with the second half-support.

The invention belongs to the technical field of spectral imaging, and particularly relates to a wavelength position related silicon-based hyperspectral imaging device. Comprising an optical filter fixing base, a linear gradual change optical filter, a cut-off piece and a detector which are sequentially arranged in the optical path direction, a first containing groove and a second containing groove are formed in the center of the optical filter fixing base, the linear gradual change optical filter is installed in the first containing groove, and the cut-off piece is installed in the second containing groove; the linear gradual filter and the cut-off sheet are relatively parallel and are overlapped in the vertical direction; the optical filter fixing base is installed on a shell of the detector, and the cut-off piece and the linear gradual change optical filter are located in an installation space of the detector. According to the invention, the imaging chip and the linear gradual filter are combined, so that the spectral passband external response of the silicon-based hyperspectral imaging device in a short wave range is avoided, and the spectral measurement accuracy is improved.

Provided is a filter holder capable of exerting effects such as low pressure loss, high strength, and high pressure resistance. The filter holder is composed of: a first metal plate (10A, 40A) in which flow path forming members each having a prescribed curved or linear shape are arranged in parallel at prescribed intervals on the same plane and the overall shape is a circular ring plate shape; and a second metal plate (10B, 40B) having the same structure as the first metal plate, the filter holder having a structure in which the intersections of the flow path forming members of each metal plate are fixed to each other in a state in which the second metal plate is overlaid on the first metal plate, and the flow path forming members (15A, 50A) of the first metal plate and the flow path forming members (15B, 50B) of the second metal plate form a line-symmetrical shape when viewed from above.

1. Name of the Design Product: Coffee Filter Holder (White). 2. Use of the Design Product: It is used to place a coffee filter on the mouth of a coffee cup. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

A handle filter for a beverage maker, comprising: a main basket having a cavity; a filter holder at least partially positioned in the main basket; and a lift ring engaged with the filter holder and the main basket. One of the lift ring and the main basket has a first recess defining a first partial helix, the other of the lift rings has a first bump received in the first recess, and one of the lift ring and the filter holder has a second recess defining a second partial helix, and the other of the lift ring and the filter holder has a second bump received in the second recess. The first partial helix and the second partial helix have opposite directions of rotation. Rotation of the cover causes the lift ring and cover to change height relative to the main basket, and further causes the filter holder to change height relative to the main basket.

The utility model relates to the technical field of filter brackets, in particular to a filter bracket convenient for mounting a filter element. According to the technical scheme, the support comprises a support body, an air outlet end cover and an air inlet end cover are arranged at the upper end and the lower end of the support body respectively, a filtering outer cylinder is arranged on the portion, located on one side of the support body, between the air outlet end cover and the air inlet end cover, and pulling pieces are arranged on the sides, away from each other, of the air outlet end cover and the air inlet end cover; a filter element connector is arranged at the end, close to the air inlet end cover, in the filtering outer cylinder, and hexagonal nuts are arranged at the ends, away from each other, of the air outlet end cover and the air inlet end cover. According to the utility model, the integral structure is compact and simple, and the filter outer cylinder can be stably mounted by arranging the C-shaped bracket main body and matching the air outlet end cover and the air inlet end cover with the filter element joint, so that an operator can quickly assemble the filter element, meanwhile, the bracket can be quickly and stably mounted, and the mounting efficiency of the filter element is improved.

In order to solve the problem that an existing basket type filtering device is extremely prone to being blocked by large impurities such as demulsifying materials, the utility model provides a filtering device which comprises a plurality of filters, a filter support and a positioning assembly, and the positioning assembly comprises a first positioning mechanism and a second positioning mechanism. A first positioning mechanism is independently arranged outside each filter, a second positioning mechanism is arranged on one side, close to the filter, of the filter support, the filters are arranged on the inner side of the filter support, and the first positioning mechanisms and the second positioning mechanisms form a detachable connecting structure; by adopting the multi-layer filter, the filtering efficiency can be effectively improved, and the condition of filter screen blockage is avoided; besides, the first positioning mechanism and the second positioning mechanism form a detachable connecting structure, and a plurality of filters can be made into a detachable and assemblable form, so that not only can the use requirements under different working conditions be met, but also the cleaning work after use is facilitated; the filter pollution and the influence on the finished product quality are avoided.

Provided is a humidifying filter holder capable of improving the amount of humidification. This humidifying filter holder holds a humidifying filter body, and comprises a water reception unit that is located above a holding space where the humidifying filter body is disposed, and that receives water to be supplied to the humidifying filter body. The water reception unit has a water supply unit that is formed with a plurality of openings in communication with the holding space, and supplies water flowing in from one side in a first direction, which is the longitudinal direction, to the humidifying filter body through the plurality of openings. The ratio of some of the plurality of openings per unit area of the water supply unit is defined as the opening ratio; the opening ratio on the other side of the water supply unit in the first direction is greater than the opening ratio on the one side in the first direction.

An air purifier includes a housing including an intake opening for inflow of air and an output opening for outflow of air, a fan, a motor for rotating the fan, a sleeve configured to at least partially surround the fan and / or the motor, an air purifier unit, and a retainer assembly. The air purifier unit is mounted in the housing to purify air flowing through the housing, and is operatively coupled to the sleeve. The retainer assembly is configured to retain the air purifier unit in the housing and to retain the air purifier unit relative to the sleeve. The retainer assembly includes a retainer and an actuator operatively associated with the retainer and the sleeve, where movement of the actuator from a first position to a second position moves the retainer to securely retain the air purifier unit in the housing.

The gas-liquid sample multi-bypass filter comprises a filter head, a filter bin, a sealing gasket, a filter support and a filter element, a sample inlet and a sample outlet are formed in the side wall of the filter head, a circulation opening is formed in the bottom wall of the filter head, the sealing gasket is arranged on the top wall of the circulation opening, and the filter bin is connected to the inner wall of the circulation opening. One end of the filter support is connected to the inner wall of the sample inlet, the other end of the filter support penetrates through the sealing gasket and extends into the filter bin, the filter element is sleeved on the outer wall of one end of the filter support extending into the filter bin, and a filter cavity is formed between the outer wall of the filter bin and the sealing surface of the sealing gasket; the sample outlet is communicated with the inner cavity of the filter bin through the filter element and the filter cavity; at least one bypass sample outlet communicated with the inner cavity of the filter bin is formed in the outer wall of the filter head. According to the utility model, the working condition filtering requirements of gas and liquid samples can be simultaneously met, a plurality of bypass ports are additionally arranged, and the pipeline design of a small-space sample pretreatment system is optimized.

Smoke detector test bench (1) (test device), preferably in the form of an optical bench, for the functional testing of a smoke detector, in particular a linear smoke detector based on the transmitted light principle, in particular for conformity testing in accordance with the requirements of and / or in accordance with DIN EN 54-12, in particular for functional testing by evaluating the attenuation or attenuation change of an optical beam (2), in particular for determining the response value (trigger limit value), in particular wherein the smoke detector to be tested responds to attenuation and / or attenuation change of an optical beam (2) and has at least one transmitter (3), at least one receiver (4) and optionally at least one reflector (5) or at least one transmitter-receiver arrangement (6) and at least one reflector (5), wherein the smoke detector test bench (1) comprises: - a first test specimen holder (7) for holding and / or receiving a receiver (4) or a transmitter-receiver arrangement (6) of a smoke detector to be tested, - a second test holder (8), in particular arranged opposite the first test holder, for holding and / or receiving a transmitter (3) or a reflector (5) of the smoke detector, wherein an optical, in particular linear, measuring section (2) is formed and / or is present between the first test specimen holder and the second test specimen holder (8), preferably wherein the first test specimen holder (7) and the second test specimen holder (8) are arranged and / or are to be arranged such that in the operating and / or test state of the smoke detector test stand (1) the receiver (4) or the transmitter-receiver arrangement (6) of the smoke detector to be tested, held and / or received by the first test specimen holder (7), on the one hand, and the transmitter (3) or reflector (5) held and / or received by the second test specimen holder (8), on the other hand, are positioned and / or aligned at least substantially at the same height and / or (horizontally) aligned; the smoke detector test bench (1) also features: - a positioning device (9) for the particularly selective and / or preferably automated and / or motorized insertion and / or removal of several test filters (10) from a plurality of test filters (10) provided and / or make available, in particular with the positioning device (9), into the beam path and / or out of the beam path of an optical beam (2) emanating from the transmitter (3) or the transmitter-receiver arrangement (6) and optionally reflected by a reflector (5) to generate an attenuation or a change in the attenuation of the optical beam (2), in particular wherein the positioning device (9) is designed • for the selective and / or preferably automated and / or motorized insertion and / or removal of a plurality of test filters (10), in particular both a single test filter (10) and a plurality of test filters (10), into or out of the beam path, wherein several test filters (10) inserted into the beam path have different distances to the first test specimen holder (7) and / or to the second test specimen holder (8), preferably different distances to the first test specimen holder (7) and to the second test specimen holder (8), and / or • for the selective and / or preferably automated and / or motorized insertion and / or removal of several test filters (10) from a plurality of test filters (10) into the beam path and / or out of the beam path, wherein the test filters (10) inserted into the beam path are arranged linearly in succession in the beam path in the direction of the optical beam (2); in particular wherein the positioning device (9) has a plurality of test filter holders (11) arranged linearly in the direction of the optical beam, wherein each test filter holder (11) is designed to hold and insert and / or remove at least one, preferably only one, test filter (10) into or out of the beam path and / or wherein each test filter holder (11) can be positioned independently of the other test filter holder(s) (11) within the beam path and / or wherein the test filter holders have a different distance to at least one test specimen holder (7, 8), in particular to both test specimen holders (7, 8), and / or in particular wherein the positioning device (9) is designed for the independent insertion and / or removal of several test filters (10) from a plurality of test filters (10) into or out of the beam path, preferably wherein each test filter (10) can always be inserted into the optical beam (2) at a test filter-specific position specified for the respective test filter (10) with a test filter-specific distance to at least one test specimen holder (7, 8), in particular to both test specimen holders (7, 8), preferably to the transmitter (3) or the transmitter-receiver arrangement (6) or to the receiver (4).

1. Name of the Design Product: Filter Fixing Bracket. 2. Use of the Design Product: Used for installing and fixing the filtering device of an induction cooker. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph Most Indicating the Design Key Points: Perspective View 1 of Design 1. 5. Design 1 is designated as the basic design.

An embodiment includes: a fixed portion having a lens module; a moving part including a circuit board, a circuit element provided on the circuit board, a filter holder provided on the circuit board, a filter provided on the filter holder and opposed to the lens module in the optical axis direction, and an image sensor opposed to the filter; and a support portion supporting the moving portion with respect to the fixed portion, in which: the filter holder includes a first portion overlapping with the lens module in the optical axis direction and not overlapping with the circuit element, and a second portion overlapping with the circuit element in the optical axis direction and not overlapping with the lens module; the second portion is positioned higher than the circuit element and lower than the lens module.

1. Name of the designed product: flat-bottom filter cup with seat (three-rotary empty). 2. Use of the designed product: filtering for brewing beverages. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo that best indicates the design points: design 1 top view. 5. Design 1 is designated as the basic design.

The utility model discloses a filter support, including fixed frame, two active elements, two driven module and transmission part. Active element and driven module all are opposite fixed frame mobile setting, and transmission part is opposite fixed frame rotation setting. Two active elements and two driven module are along annular arrangement, and a driven module is located between two active elements. Active element and transmission part transmission connection, and driven module also with transmission part transmission connection. When active element is opposite fixed frame mobile, can drive transmission part opposite fixed frame rotation, and then promotes driven module to move to the same mobile direction with active element. The structure realizes the cooperation of active element and driven module through transmission part, improves the adjustment flexibility, can better adapt to different caliber lens, reduces the dark corner, satisfies the diversified shooting demand.

A filter installation bracket includes a first linkage and a second linkage. The first linkage is configured to fix a filter holder and comprising a first sliding portion. The second linkage includes a second sliding portion. The second sliding portion is slidably connected with the first sliding portion.

A fryer including a fryer vat configured to receive a volume of cooking fluid, the fryer vat having first and second bottom surfaces, a pivotable filter mount having first and second ends, a body between the first and second ends, wherein the body is configured to receive a filter cartridge having a longitudinal axis, and the first end of the pivotable filter mount is configured to pivotably couple to the fryer vat, a handle coupled to the pivotable filter mount, the handle being movable between first and second positions, wherein when the handle is in the first position, the longitudinal axis of the filter cartridge is substantially parallel to the second bottom surface, and when the handle is in the second position the longitudinal axis of the filter cartridge is substantially perpendicular to the second bottom surface.

The utility model discloses a filter for improving X-ray irradiation uniformity, which comprises a filter support, a wedge-shaped filter and a bell-shaped filter, the wedge-shaped filter is arranged above the filter support, and the bell-shaped filter is arranged below the filter support; the thickness of the wedge-shaped filter piece in the cathode direction is larger than that in the anode direction, and the middle of the face, away from the filter support, of the bell-shaped filter piece protrudes outwards to form an arch-shaped structure with the middle thickness larger than that of the two sides. According to the application, the heel effect and the distance influence of irradiation on a plane are solved at the same time in a manner of combining the filters, and the irradiation dose rate uniformity of the irradiated plane is improved; different filter sheet combinations can be designed according to different irradiation cone angle requirements through a detachable connection mode, and rapid positioning and replacement of the filter sheets are realized through a modular structure; on the premise that irradiation uniformity is guaranteed, the effects of fast irradiation of a small number of samples and simultaneous irradiation of a large number of samples can be achieved, and different requirements for single-time treatment capacity and treatment speed of irradiated objects are met.

A filter mount includes a filter base including a filter base body defining an axis extending in a direction away from the filter base body, and a mounting portion for a filter element located at a distance from the filter base body. The filter mount also includes a freely rotatable attachment ring connected to the mounting portion. The attachment ring includes an annular portion having an inner attachment ring surface extending around the axis, and an attachment portion having a plurality of keys axially extending in the direction away from the filter base body. A filter inventory, filter mount, and related methodology are also disclosed.