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Liquid Purification Or Separation > Flow, Fluid Pressure Or Material Level, Responsive > Fluid Pressure Responsive By-pass

Fluid Pressure Responsive By-pass

Fluid Pressure Responsive By-pass patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

11/21/13 - 20130306531 - 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), characterised in that a by-pass conduit (66, 166) is fashioned in the support plate (61, 161), which...

10/17/13 - 20130270162 - Liquid filter having a filter bypass valve and filter insert therefor
Liquid filters comprising a housing having a removable cover, a liquid inlet, an outlet, a replaceable hollow cylindrical filter material insert, and a filter bypass valve comprising a valve seat arranged on the filter insert and a valve body that interacts with the valve seat and is biased in the...

04/18/13 - 20130092611 - Oil reservoir with baffle
An oil filter reservoir includes a reservoir housing having a filter, which divides the housing into an oil inlet chamber and an oil outlet chamber. A housing inlet and a housing outlet circulate oil in and out of the reservoir housing. The filter includes a permeable wall and a bypass...

03/21/13 - 20130068677 - Filter group for internal combustion engines
A filter cartridge for fuel, includes a first filter element and a second filter element, which is of a flat type and is located downstream of the first filter element with reference to a direction of the fuel, the filter elements are configured such as to be crossed in series...

09/20/12 - 20120234741 - Air compressor with oil pump inlet strainer and bypass valve
An air compressor with oil pump inlet strainer bypass features includes a bypass valve assembly in fluid communication with the air compressor crankcase to provide lubricating oil to the dynamic compressor components, or simply to the air compressor. The bypass valve assembly includes a valve housing defining an interior chamber...

08/30/12 - 20120217191 - Filter device
A filter device may include a filter housing having at least one filter element configured to separate the filter housing into a raw side and a clean side. A bypass valve may control a bypass for circumventing the at least one filter element, wherein the bypass valve may have a...

08/09/12 - 20120199522 - Filter with bayonet coupling to cover
A liquid filter has a filter housing with a first thread and a drain passage. A filter element including a filter medium is arranged in the filter housing. A filter lid is provided with a second thread configured to engage the first thread for connecting the filter lid to the...

08/02/12 - 20120193275 - Filter element using plastic cap integrated with relief valve
The present invention relates to a filter element using a plastic cap integrated with a relief valve, wherein a net type core 21 is received in a spin-on filter housing 10 in the cylindrical shape opened at the top portion thereof and formed with a plurality of oil passing holes...

04/26/12 - 20120097586 - Device for filtering and deaeration of fuel oil with return changeover valve
In a device (1) for filtering and deaeration of liquid fuel, in particular fuel oil, comprising a tank connection (2) for connection to an oil tank, a feed connection (3) for connection to an oil burner feed, a return connection (4) for connection to an oil burner fuel return, a...

04/19/12 - 20120091047 - Oil reservoir comprising an oil filter
An oil reservoir having an oil inlet fitting and at least one oil outlet fitting for connecting to a hydraulic system. The reservoir comprising a housing having a lower housing part and a reservoir cover which is connected to the lower housing part and includes an integrated oil filter. An...

02/16/12 - 20120037549 - Combination of a filter element and a core element, and a filter element
A combination (10) of a replaceable filter element (21) and a core element (38) is provided, the filter element comprising a tubular wall (25) of filtration medium for collecting material in a fluid stream passing through the tubular wall (25), a first end part (26) and a second end part....

02/09/12 - 20120031822 - Filter end cap assembly with bypass valve
A filter assembly, filter element and methods are provided. The filter assembly includes a filter base in which a filter element is mounted. The filter element includes a bypass valve carried by the filter element that operates independent of and free of interaction with the filter base. Methods include providing...

09/15/11 - 20110220563 - Filter device and filter element
The invention relates to a filter device. The invention further relates to a filter device comprising a filter element (1), which can be removably accommodated in a sheathing (13) and the filter material (9) of which, through which the fluid to be cleaned can flow, separates a space (3) forming...

06/23/11 - 20110147284 - Self powered water purification system
A water purification unit to purify potentially contaminated water is provided. The water purification unit is in fluid communication with a water source and has a pump to draw water from the water source. The water is passed through at least a main filter to purify the water and dispensed...

02/10/11 - 20110031173 - Cylindrical inline fluids filter
The inner tube possesses an emergency bypass in case of flows through the pipe system exceeding rated levels....

12/16/10 - 20100314303 - 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, and the main filter element are arranged sequentially along the common central tube. A fuel filter arrangement has a...

11/11/10 - 20100282652 - Filter end cap assembly with bypass valve
A filter assembly, filter element and methods are provided. The filter assembly includes a filter base in which a filter element is mounted. The filter element includes a bypass valve carried by the filter element that operates independent of and free of interaction with the filter base. Methods include providing...

09/09/10 - 20100224538 - Method of filtering and filter device
Method of filtering and a filter device having a housing (1), enclosing a filter element (4) fixated against an axial end cap (2) of the device, provided with a second end cap (8) internal to the housing, unconnectedly therewith closing of the opposite axial end face of the filter element...

09/09/10 - 20100224539 - Element with bypass sealing element
A filter element includes in an end cap assembly an internal bypass valve such that the bypass valve can be replaced along with the filter element. Additionally or alternatively, the filter element end cap assembly has a reverse flow valve for enabling reverse flow across the filter element without passage...

09/02/10 - 20100219113 - Device for filtering pressurized oil
A device for filtering oil circulating in a hydraulic circuit for operating hydraulic actuators has at least one inlet port for the oil entering the device, at least one outlet port for oil flowing out of the device, a main filter to filter the oil flowing from the inlet port...

08/05/10 - 20100193417 - Exchangeable filter
The invention concerns of exchangeable filter (10) with a cup (11) and a cover (12). Within the cup (11) a filter element (13) for purifying liquid, in particular lubricant oil, is arranged. The cover comprises an outer contour (16, 17, 18), to which the upper area of the cup (11)...

06/10/10 - 20100140151 - Fluid filter element
A filter element is removably positionable within a filter housing defining a filter chamber for said filter element. The filter housing comprises a standpipe extending within the filter chamber. The filter element includes a tubular filter media circumscribing the standpipe, a first end cap supporting the filter media at one...

01/07/10 - 20100000918 - Two piece non-metallic relief valve
A fluid filter is described, which includes a housing having a first end portion defining fluid inlet and fluid outlet areas, a filter media disposed in the housing, having inlet surfaces communicating with the fluid inlet and outlet surfaces communicating with the fluid outlet, and a relief valve assembly for...

12/10/09 - 20090301949 - Filtering system, in particular for filtering liquids in internal combustion engines
A filtering device for filtering liquids in internal combustion engines has a filter housing and a filter element inserted into the filter housing. A cover disk closes off the filter housing. The cover disk consists of two individual disks and a central flow connection connects the two individual disks. The...

12/10/09 - 20090301950 - Filter with bayonet coupling to cover
A liquid filter has a filter housing with a first thread and a drain passage. A filter element including a filter medium is arranged in the filter housing. A filter lid is provided with a second thread configured to engage the first thread for connecting the filter lid to the...

10/15/09 - 20090255860 - greywater diversion and hair catcher assembly for baths that is comprised of the novel assembly of a hair catcher mesh cup, a two-port valve, a direct-drain waste-overflow assembly, and an indirect-drain waste-overflow assembly
Greywater diversion of bathwater for reuse is fast becoming a global necessity; however, there is a need for a device that separates the diversion function from the utilization system for reasons including backflow situations and odor control. Further, said device must be able to be installed in typical bath installation;...

08/27/09 - 20090211955 - Anti-drainback valve with position positive locking for spin-on oil and fuel filters
An anti-drainback valve contains a locking mechanism for securing the valve into to a filter assembly. The locking mechanism is made up of at least two keys that extend from the valve into beyond a cap of the filter assembly in order to secure the valve within the filter assembly....

07/16/09 - 20090178962 - Single piece resilient combination bottom support and relief valve end seal element for fluid filters
A fluid filter is described, having a filter body defining a cavity for a filter element, a first end cap for fitting on one end of the filter body, having an integrated single piece anti drain back valve and seal, and a second end cap for fitting on an opposite...

07/16/09 - 20090178963 - Two part resilient combination bottom support and relief valve end seal assembly for fluid filters
A fluid filter is described, comprising a filter body defining a cavity for a filter element, a first end cap for fitting on one end of the filter body, having an integrated single piece anti drain back valve and seal, and a second end cap for fitting on an opposite...

07/16/09 - 20090178964 - One piece combination anti-drain back and relief valve
A fluid filter and an end cap of the fluid filter are described. The filter may be a spin on oil filter, which includes a combination dual valve element defining an integral anti-drain back valve and an integral relief valve, a retainer assembly for maintaining the combination dual valve element...

07/09/09 - 20090173676 - Small scale reverse osmosis system comprising a double valve permeate pump
In a small-volume reverse osmosis system with a reverse osmosis module, a concentrate line leading from the reverse osmosis module to an outlet line, a permeate line leading from the reverse osmosis module to a storage tank, as well as a permeate pump connected to the concentrate line and to...

06/11/09 - 20090145825 - Filter arrangement for liquids
A filter arrangement for liquids has a filter housing with a bottom part and a top part. A cylindrical filter element is inserted axially into the filter housing. At least one seal that, after assembly of the filter arrangement, effects closure of at least one return device for unfiltered liquid...

05/21/09 - 20090127170 - Filter device, especially for filtering liquids in internal combustion engines
A filter device for filtering liquids in internal combustion engines has a filter housing and a filter element inserted into the filter housing. A liquid to be filtered is introduced into the filter housing and flows through the filter element. An overflow valve is arranged between an entry side and...

05/21/09 - 20090127171 - Water supply system with filtration and retrofit assembly
A water supply system in accordance with the invention includes pumping in which there is a mechanical co-dependency between the generations of liquid-draw pressure and filtration-drive pressure, but a hydraulic dependency of the application of the filtration-drive pressure upon release of water from the liquid-draw pressure. In one preferred embodiment,...

05/14/09 - 20090120853 - Endless stream fish tank
A single tank configuration of a fish tank or livewell includes an outer container; an inner container installed inside the outer container, the inner container having a first end with an entry hole and a second end with an exit hole; and a pump installed between the inner and outer...

04/16/09 - 20090095665 - Anti-drainback valve for an oil filter
An anti-drainback apparatus for an oil filter assembly includes an anti-drainback valve formed from an elastomeric material. The anti-drainback valve is operable to selectively restrict reverse flow through the oil filter assembly. The anti-drainback valve is generally frusta-conical in shape and includes at least one relief valve to selectively open...