Matches 1 - 50 out of 137 1 2 3 >


Match Document Document Title
8852440 Filter unit and method for operating the filter unit  
A filter unit comprising an inlet (12) and an outlet (13) for a flow medium to be filtered, a first filter cartridge (14) having a first filter element, a second filter cartridge (15) having a...
8715493 Filter arrangement for filtering liquids  
A filter arrangement for filtering liquids has a central tube and a first filter element flowed through in radial direction outwardly and disposed on the central tube. A downstream second filter...
8679334 Power steering filter assembly  
A power steering fluid filter includes a housing that defines an interior chamber, an inlet port communicating with the upstream end of the interior chamber, and an outlet port communicating with...
8658032 Filter cartridge  
A filter cartridge (60, 160) comprising a filter wall (63, 163) having a tubular shape and at least a support plate (61, 161) fixed to an end of the filter wall (63, 163), characterized in that a...
8632676 Liquid filter assembly; components; and methods  
A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred...
8535520 Three-stage fuel filter  
A fuel filter has a coalescent element for separating water from fuel, a prefilter element, a main filter element, and a common central tube, wherein the coalescent element, the prefilter element,...
8425769 Filter arrangement and methods  
A filter arrangement includes a filter cartridge having a first filter element and a second filter element. The first filter element includes a first tubular section of filter media extending...
8287731 Fluid tank with kidney-loop filtration system  
A return flow filtration assembly for filtering return hydraulic fluid is provided. The filtration assembly includes a first return fluid chamber including a first inlet and first and second of...
8241494 Liquid filter assembly  
A liquid filter assembly including a first liquid filter element adapted to filter particles larger than a first size; a second different liquid filter element adapted to filter particles larger...
8177976 Liquid filter assembly, components; and methods  
A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred...
8119002 Liquid filter assembly; and methods  
A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred...
8051660 Charging device  
The present invention relates to a charging device (1), in particular an exhaust-gas turbo charger for a motor vehicle, comprising a shaft (3) which is supported in a housing (2), and which...
8002975 Filtration device with a pressure-activated means for bypassing serial filter layers  
A serial-flow filtration device is provided with pressure-activated pressure-breachable seal or a pressure-activated gate for by-passing at least one of its constituent layer (or layers) of...
7875171 Suction filter for an automatic transmission  
A filter assembly includes a filter housing including an inlet, through which hydraulic fluid enters the housing, and an outlet, through which hydraulic fluid exits the housing, valve housing...
7854837 Filter cartridge with pressure relief valve  
A filter cartridge includes a substantially cylindrical filter media and a pressure relieving structure. The filter media is adapted to allow fluid to pass from an exterior of the filter media to...
7820040 Water pollution trap and methods of use thereof  
A filtration device and method for removing pollutants from fluid such as storm-water. The filtration device has a chamber including a series of pivotal filtration assemblies each including a weir...
7615146 Fluid filter with restrictive filter media for pressure relief  
A fluid filter assembly having a relief valve for visually indicating when a filter element may be replaced. The fluid filter assembly of the present invention provides a vertical, transparent...
7513992 Filtration device with pressure-activated means for bypassing serial filter layers  
A serial-flow filtration device includes a pressure-activated gate for by-passing at least one of its constituent layer (or layers) of filtration material. The filtration device includes a...
7399419 Modular filtration system  
A filter system includes a set of modules, each module including screen assemblies and filter media sandwiched between the screen assemblies. A plurality of control assemblies are associated with...
7357865 Automatic transmission fluid filtration system  
An automatic transmission fluid (ATF) filtration system that combines both coarse filtering mesh and microfine depth filtering elements simultaneously to remove a wide range of particulate matter,...
7329342 Metallic particle trap bypass filter  
A metallic particle trap bypass filter is disclosed generally comprising a housing, a filter element disposed therein, an inflow chamber, an outflow chamber, a bypass valve connecting these...
7279091 Filter device  
A filter device has a filter housing (10) receiving a first filter element (12), through which a medium may flow in a given direction, and has a bypass device (22). Along with the first filter...
7243740 Filter assembly having a bypass passageway and method  
A filter assembly including a primary flow passageway having at least one filter deployed therein and a secondary flow passageway having a bypass filter deployed therein is provided. The filter...
7182855 Fuel filter with valve indicator  
A fuel filter includes a first filter chamber, a second filter chamber and a valve assembly disposed between the first and second filter chambers. The valve assembly includes a valve casing with a...
7166210 Oil filter cartridge  
The present invention relates to small vehicles such as lawn and garden tractors and more specifically to an oil filter cartridge or assembly usable with the transmissions of such vehicles. The...
7056432 Tank mounted oil filter assembly  
The present invention relates to small vehicles such as lawn and garden tractors and more specifically to an oil filter assembly used with the transmissions of such vehicles. The filter assembly...
6972087 Transmission sump filter with bypass valve  
A filter (10) for filtering debris out of the fluid in a transmission sump (S) prior to the fluid entering a transmission pump (P) is disclosed. The filter (10) includes a filter housing (12)...
6908545 Hydraulic filter assembly with priority valve  
A filter module assembly utilizes a priority valve installed in a manifold to allow for continuous filtration of hydraulic fluid up to a predetermined flow value and diverts occasional high flow...
6884341 Filter device to capture a desired amount of material  
A filter device is used to capture a desired amount of material suspended in a liquid or gas. The device includes a planar filter 530 mounted in a chamber defined by a body member having an upper...
6881330 Multi-stage EDM filter  
A two-stage, retrofit filter is adapted for use with an electrical discharge machine (EDM) includes nested inner and outer filtering elements that may be placed as a unit in the same tank and over...
6841065 Fluid filter with pressure relief valve  
A fluid filter assembly having a relief valve for visually indicating when a filter element may be replaced. The fluid filter assembly of the present invention provides a vertical, transparent...
6818122 Dual stage filter element bypass valve  
A replaceable cartridge type dual stage bypass valve is used in dual filter multi-media filtration assemblies. The cartridge may be selected and easily replaced to meet the various combinations...
6773588 Purified water supply system  
A system (11) for providing purified water comprises a plurality of individual modules, each of which includes a separable head (13) and a canister (17), which modules are joined one to another...
6758980 Liquid filter with separate and calibrated vapor release  
A liquid filter (10) housing an annular filter element (16) has an annular space or inlet chamber (24) between the filter element and the housing and viewable through the housing such that an...
6733666 Filtering device, especially a suction return filter  
A filtering device, especially a suction return filter includes a filter housing having two useful connections and a tank connection, and accommodates at least one filter element. The filter...
6638423 Multiple stage fuel strainer assembly  
A multiple stage fuel strainer assembly for a fuel tank in a vehicle includes a strainer adapted to be connected to an inlet of a fuel pump disposed in the fuel tank. The multiple stage fuel...
6605210 Hydraulic fluid filter device  
A filter device for filtering hydraulic fluid includes first and second subelements 40, 42 within a filter housing having separate inflows 20, 24 thereto for the respective subelements and a...
6585887 End cap relief valve mechanism for a filter  
An oil filter includes a housing 14 having an end plate 20 attached to the open end thereof. The end plate 20 includes an outlet opening and inlet openings 22. An anti-drainback valve 49 is...
6485634 Filtration system for industrial coolants  
A filtration system includes a magnetic drum for removing ferrous shavings and a dual canister filter unit equipped with replaceable filter bags. This palletized system may be plugged into most...
6423215 Fluid filter unit with automatic clogged filter element bypass and ferrous indicator flag  
A filter unit for coupling in-line with a transmission fluid line is provided for filtering ferrous and non-ferrous particulate matter from the transmission fluid. The filter unit includes a...
6375833 Filter assembly with UV treatment, filter bypass, and clogging indicator  
A filter assembly for filtering pond or aquarium water includes a container (1,2) with an inlet chamber (15) having an upstream region (36) and a downstream outlet (13) leading to an outlet...
6306291 Automatic silt density index apparatus  
An apparatus for monitoring particulates in a liquid stream and the rate at which the particulates foul a filtering medium, generally a reverse osmosis membrane, to determine at what point in time...
6267875 Reusable spin-on multi system oil filter and method of reclaiming used filter canisters  
The invention is a spin-on type filter with a reclaimed permanent filter casing and permanent filtering media that are washable and reusable. There are three distinct progressive filtering systems...
6165355 Fluid filter having a three way valve construction  
The filter element assembly includes a three-way valve member internal to the assembly. The filter element comprises a primary filter construction defining an open internal volume, a first end...
6139725 Oil reclamation device with vaporization chamber  
An oil reclamation device includes a full flow filter (10) fitted around a partial flow filter (12) within an open-ended casing (8). The open end of the casing is capped by a housing defining a...
6126818 Filter system for the lubricant of an internal combustion engine  
A filter system, in particular for filtering the lubricant of an internal combustion engine, having at least two filter elements (19, 25) which can be connected successively to the oil circuit and...
5916435 Conical coreless filter assembly and element  
An improved conical coreless filter element is shown which has an open upper end cap and a lower closed end cap. The conical coreless filter element fits inside a support cage or basket of...
5885447 Liquid filtration system incorporating a bypass filter element  
A filter arrangement for filtering fluid comprises a housing having an inlet and an outlet, a first cylindrical construction, a second cylindrical construction, and a bypass arrangement. The first...
5830347 Cleaning mechanism for a fluid filter  
A filter assembly has a cylindrical filter element immersed in the fluid to be filtered, and which fluid normally flows radially inwards through the filter element and is thereby filtered. When...
5814215 Oil filter including an integral filter support and housing drain valve assembly  
A lubricating oil filter for internal combustion engines is disclosed herein. The oil filter includes a vertical housing closed at the top by a screw cover and includes a filter support rotatably...

Matches 1 - 50 out of 137 1 2 3 >