96results about How to "Extend filter life" patented technology

A preferred filter media is provided. The media includes a fine fiber web secured to the surface of a coarse fiber support. A preferred filter media, comprising multiple layers of fine fiber media separated by coarse fiber support, is provided. Advantageous filter constructions result and are provided. Also according to the disclosure, methods for using such arrangements to filter are provided.

A pleated panel fluid filter filters fluid flowing along an axial flow direction and includes angled panels and/or progressively increasing flow channel width and/or skewed panel projections and/or flattened pleat tip bend lines.

A water purifier system is provided including a housing having a first, upper reservoir and a second, lower reservoir. A filter cartridge is arranged to be received within the housing, the filter cartridge having at least one inlet for receiving water from the first reservoir and at least one outlet for dispensing water into the second reservoir. A UV source is disposed within the second reservoir for purifying the water contained therein, and a control interface is removably connected to the housing for controlling the operation of the UV source.

A separable air purifying apparatus is provided, in which a number of purifiers whose purifying capabilities for particular pollutants are reinforced by each purifier are disposed in a space meeting each purifying characteristic in order to enable an independent operation for a custom-made purification, and are integrally combined with each other to thereby make a combination of a driving ratio of each purifier according to a degree of pollution and perform a combination operation of purification. The separable air purifying apparatus inhales external air by ventilation modules incorporated in respective cases and purifies the external air by filter members, to then discharge out the purified air. That is, the separable air purifying apparatus includes controllers controlling the ventilation modules and a main purifier and an auxiliary purifier each which are independently operated by respective power supplies. Here, an output terminal is formed in the main purifier and an input terminal is formed in the auxiliary purifier. When assembling the main and auxiliary purifiers, the input terminal of the auxiliary purifier is connected with the output terminal of the main purifier, to thus enable the controller of the main purifier to drive the ventilation module of the auxiliary purifier, and to accordingly enable a combination operation of the main and auxiliary purifiers.

A method and an air precleaner for separating heavier-than-air particulate debris from debris laden air to provide a clean airflow are disclosed. A flow path extends through the precleaner from an inlet to an outlet. Debris laden air is drawn into the inlet by a vacuum in communication with the outlet of the precleaner. A vortex flow of the debris laden air is formed in the flow path and flows through a first stage, ejective based precleaner and a second stage, scavenger based precleaner. Each stage centrifugally separates and removes particles of debris from the vortex flow. Efficient operation under extreme conditions with significant improvement in air filter life, is made possible by the air precleaner and method.

Systems and methods are provided for an air purifier with over pressurization relief, including the following components. A room air inlet is configured to fluidly receive air from a room. A supply duct inlet is configured to fluidly receive air from a forced air system. An air filter and or air purification means is configured to filter/purify air. An outlet is configured to expel filtered/treated air into the room. A bypass damper system has at least one air filtering mode position and a bypass mode position. A pressure control mechanism is configured to automatically allow the bypass damper system to move from at least one air filtering mode position to a bypass mode position when the air received from the supply duct inlet exceeds a bypass threshold. The bypass mode position guides air from the supply duct inlet into the room without requiring passage through the filter and the outlet.

A Fuel transfer pump system comprising a multi-mode control process for transferring fuel. The multi-mode control process comprising a closed loop pressure control mode for maintaining fuel pressure at an outlet of a fuel transfer pump at a substantially constant target pressure and having a soft start mode for bidirectionally ramping up to the target pressure by utilizing an open loop control in combination with the closed loop pressure control mode; a current control mode dynamically switchable from the closed loop pressure control mode for controlling a motor driving the fuel transfer pump as a function of a predetermined current threshold; a DC-bus voltage compensation mode operable with either the closed loop pressure control mode or the current control mode for compensating DC bus voltage sag; and an open loop ramp down mode for ramping open loop motor RPMs to zero from any other mode for shutting down system operation.

To provide a crystalline polymer microporous film including: a laminate consisting of two or more crystalline polymer layers formed of crystalline polymers; and multiple pores penetrating through the laminate in the thickness direction thereof, wherein an average pore size of each of the crystalline polymer layer changes along the thickness thereof.

A filter including alternating layers of filter medium and diffusion medium. The filter provides optimum distribution of fluid over the filtering medium, a reduced pressure drop and an increased filter life, without a reduction in filter rating. The diffusion medium has a first plane of spaced-apart, substantially parallel strands defining first longitudinal passages having a first height dimension and a first width dimension, and a second plane of spaced-apart, substantially parallel strands defining second longitudinal passages having a second height dimension and a second width dimension. The strands of the second plane of the diffusion medium are oriented in a non-parallel manner with respect to the strands of the first plane, such that the first and the second planes define lateral openings having side dimensions. The first and the second longitudinal passages include at least one dimension that is smaller than any of the side dimensions of the lateral openings. At least a portion of the layers of filter medium have bypass apertures, wherein such portion defines at least one pre-qualifying filter medium layer.

This disclosure features a system for processing microspheres. A vessel contains a suspension of solidified microspheres comprising polymer and an active agent. A hydrocyclone has a fluid inlet, a first fluid outlet and a second fluid outlet. The fluid inlet is in fluid communication with the vessel and receives the suspension. The second fluid outlet contains a flow of the suspension having concentrated microspheres. The first fluid outlet contains a flow of a relatively large amount of liquid compared to the flow from the second fluid outlet. Also featured is a method of processing the microspheres using the hydrocyclone.

An expandable ostomy pouch and an expandable ostomy cap include a first portion and a second portion sharing a common cavity. The first portion and the second portion are configured such that the second portion can be inverted and inserted within the first portion in a compacted state. The second portion can be manually pulled out or can be expanded due to gravity and/or due to elevated pressure within the pouch 10 due to the stomal discharge, as the cavity is filled with stomal discharge.

Methods are provided for making a porous filter that is useful in polymer melt spinning. The methods include pressing particles, such as a metal powder, to form a filter having a filter body integrally formed with a top cap and a bottom cap. The filter body and caps are formed as a single component or, alternatively, are formed as two or three separate parts that are fitted and pressed together to form a single component having blind inlet and outlet cavities. After pressing, the component is sintered to form the porous filter. The particles are pressed and cohere to form the caps and filter body without the use of a polymeric binder, and the inlet and outlet cavities are formed substantially without machining.

A filter assembly including a rectangular inlet frame having a rectangular inlet opening, a rectangular outlet frame, a housing body being collapsible to have a flattened shipping state and an erect state, the collapsible housing body in the erect state being rectangular and interposed between the rectangular inlet frame and the rectangular outlet frame in an assembled state, and at least one filter having filter media installed in the rectangular inlet opening in generally sealing relation thereto and projecting from the inlet frame toward the outlet frame in the assembled state.

Solutions for improving efficiency of a filter device for use with a machine requiring clean airflow are disclosed. In one embodiment, the filter device includes: a filter housing about an airflow inlet of the machine, wherein the filter housing comprises an air-permeable filter media configured to filter particles from multi-directional airflow moving through a substantial portion of the filter housing into the airflow inlet.

The present invention relates to a filter for liquid filtration, the construction of the filter ensure increased filtration capacity by using up the filtration medium rather that clogging up. The filter comprises layers of filtration medium (2) and optionally also layers of spacer medium (1). Liquid to be filtered can through bypass spaces circumvent a number of layers of filtration and/or spacer medium and is by at least one sealing (3) directed through the filtering area of filtration medium. End caps (5) with perforations (6) allow the liquid to be distributed within the bypass space between the edges of the layers of filtration medium and spacer medium. Rolled filters with a central core (4) to drain off the filtered liquid can be constructed in large dimensions. Also disclosed is a method making the filter. The filters are suitable for many purposes, especially for filtering liquid with oil.

An air induction system for a vehicle engine includes a sensor assembly for monitoring particulate concentration. The sensor assembly is mounted within an air intake housing, which has an inlet and an outlet. An airflow passageway extends between the inlet and the outlet to the vehicle engine. An air filter is mounted within the housing to filter particulates from air flowing through the airflow passageway. The sensor assembly can be mounted to an intake manifold or incorporated into a mass airflow sensor. The particulate sensor generates a particulate signal representative of particulate concentration entering the vehicle engine via the outlet. The signal is sent to an output device monitored by a vehicle operator.

A filter medium comprises a modified cross-section fiber (A) having a fiber diameter between 40 and 70 μm, an extremely fine fiber (B) having a fiber diameter of more than 5 μm and no more than 10 μm and a modified cross-section fiber (C) having a fiber diameter between 15 and 30 μm, the content of the extremely fine fiber (B) is between 3 and 10% by mass, and the content of the modified cross-section fiber (C) is between 5 and 15% by mass based on 100% by mass of total the fibers in the filter medium.

This invention relates to image formation toner, 2-component developer, image formation method and method for manufacturing image formation toner, for preventing clogging of the filter. Toner is used in which the ratio of the component measured by GPC to have a molecular weight between 500 to 1000 is 10 parts by weight or less with respect to 100 parts by weight of the entire toner. Since the case of clogging of the HEPA filter is the 500 to 1000 molecular weight component, clogging of the filter is prevented by reducing this component.

The invention relates to a control method for water quality map acquisition of a water purifier. The control method comprises the steps: acquiring position information on a mounted place of the water purifier and water quality information on a connected water source; associating the position information with the water quality information, so as to generate sample point information; and generating a water quality map of the mounted place of the water purifier according to the sample point information. According to the control method disclosed by the invention, the position information on the mounted place of the water purifier and the water quality information can be acquired, the water quality information and the position information are associated, and the water quality map of the mounted place of the water purifier is generated, so that the water purifier has the functions of performing data acquisition on water quality of the mounted place and generating the water quality map capable of providing a variety of information; and the water purifier can be more intelligent, and a water purifier body or company background can more scientifically and effectively utilize these acquired data subsequently.

A functional sheet is brought into intimate contact with a front surface of a plasma display panel, and the functional sheet has a structure in which heat diffusion is superior to heat insulation between the plasma display panel and outside air. In addition, a display device includes a controller for controlling a drive voltage pulse train so that power consumption in a unit area in a light emission region within the screen is limited under a set value when one image is displayed.