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Andritz Inc patents

Recent patent applications related to Andritz Inc. Andritz Inc is listed as an Agent/Assignee. Note: Andritz Inc may have other listings under different names/spellings. We're not affiliated with Andritz Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Andritz Inc-related inventors

Processes and systems for the pulping of lignocellulosic materials

A system and process of producing pulp from lignocellulosic material after the lignocellulosic material has undergone compression (pressurization), maceration and removal of extractives produced during compression and maceration followed by chemical addition, fiberization, digestion (cooking) and further mechanical refining.... Andritz Inc

Feedwell having twisted plates

A feedwell design for a clarifier that may better dissipate the entrance energy of feed slurry liquid exiting the feedwell and entering the clarifier. Plates having a surface area twisted around a longitudinal axis may be provided at the bottom of the feedwell. The plates may cause a change in... Andritz Inc

Rotor refiner plate element for counter-rotating refiner having curved bars and serrated leading edges

A refining plate segment for a mechanical refiner of lignocellulosic material including: a refining surface on a substrate, wherein the refining surface faces a refining surface of an opposing refiner plate, the refining surface including bars and grooves between the bars, wherein an angle of each bar with respect to... Andritz Inc

Method and system for evaluating and predicting sprocket tooth wear

An exemplary method may comprise: ascertaining an original distance between a first tooth face and a second tooth face of a sprocket tooth, wherein the sprocket tooth comprises two tooth faces extending from a sprocket core and terminating in a top of the sprocket tooth, wherein an original distance separates... Andritz Inc

Isolation chamber for removable startup burner

The present disclosure describes an assembly configured to mitigate the harmful effects of smelt fouling, airflow interference, and operator exposure to hot air from the furnace and wind box through use of an extractable startup burner and an isolation chamber engaged to a windbox. The present disclosure also describes a... Andritz Inc

Method and pumping sawdust feed in a sawdust pulping system

A method of producing chemical cellulose pulp from sawdust utilizing a static down-flow retention vessel comprising the steps of continuously pressurizing a flow of sawdust using a progressive cavity pump to produce a pressurized sawdust feed for a treatment vessel, passing the pressurized sawdust feed at super-atmospheric pressure downwardly in... Andritz Inc

Stator refiner plate element having curved bars and serrated leading edges

A refining system and process using a specially designed stator refiner plate. The specially designed stator refiner plate includes a major refining surface having a series of bars and grooves, the bars include a leading surface having an irregular surface. The irregular surface hosts a series of protrusions extending along... Andritz Inc

Cast refiner plate segment with blunt edges and corners for safe handling

A cast metal plate segment for a refiner of lignocellulosic material or a disperser of comminuted paper or packaging products, the plate segment including a front side with a front surface configured to refine the lignocellulosic material or disperge the comminuted paper or packaging products, and a back side, opposite... Andritz Inc

Sand separator vessel perforated replaceable insert apparatus and method

A perforated replaceable insert for a sand separator vessel in a digester feed system where the perforations have at least a width and a length. The perforations are aligned columns and rows, with the columns being positioned to be parallel to a line formed by the tangent of the conical... Andritz Inc

Acoustic emission predicting explosions in dissolving tank

The present disclosure describes a system for predicting explosions in a dissolving tank. The system includes acoustic emission sensors placed in or around the dissolving tank. By filtering the recorded frequencies to the range which is most sensitive for desired explosions “fingerprints,” it is possible to predict a smelt influx... Andritz Inc

Chipper machine wear plate, replaceable wear plate corner piece, and anvil monitoring

Method for determining chipper machine wear part replacement needs using cutting impact force, bearing temperature, and vibration information.... Andritz Inc

Flat-face valve for pulp rotary drum vacuum washer filter

In a rotary drum for thickening pulp, the rotary drum may include drainage channels for delivering filtrate from a pulp mat on the rotary drum to a filtrate chamber at an end of the rotary drum, and includes a flat face valve and plenum chamber assembly in the filtrate chamber.... Andritz Inc

Adjustment assembly for axially adjusting a rotor in a rotary feeder

A mounting and support mechanism for a rotary feeder gear motor having an adjusting housing, wherein the adjusting housing includes a support flange adjacent the gear motor, a hollow adjusting housing and a support flange adjacent a stationary feeder end cover. Contained within the adjusting housing is a carrier extension... Andritz Inc

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Andritz Inc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Andritz Inc with additional patents listed. Browse our Agent directory for other possible listings. Page by