Real Time Touch



new TOP 200 Companies filing patents this week

new Companies with the Most Patent Filings (2010+)




Real Time Touch

Valmet Ab patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Valmet Ab-related inventors


Cyclone separator arrangement and method

A cyclone separator (10) comprises a pressure chamber (20), an inlet (30) for an incoming flow of a mixture of gas and particles, a gas outlet (50) for outgoing gas arranged through a top wall (26) of the pressure chamber and a particle outlet (40) for outgoing particles arranged in... Valmet Ab

A discharge valve with a detachable inner lining

A discharge valve is disclosed which includes a valve housing which can be functionally connected to a process element having a pressurized interior space. The valve housing includes a flow channel having a longitudinal center axis (A) and is in working cooperation with a valve member. The flow channel is... Valmet Ab

Refiner plate segment with pre-dam

The invention relates to a refiner plate segment in a refiner plate for mechanically refining of lignocellulosic material in a refiner, said refiner plate segment comprising at least a first, generally radially extending bar, a second, generally radially extending bar, a groove arranged and defined between said first, generally radially... Valmet Ab

Method for producing high purity lignin

The method is for separation of lignin from original black liquor (BLIN) that has a first precipitation stage (PR) for precipitation of lignin by a first acidification using acidifier AC1, preferably using CO2, at alkaline conditions, then separating a lignin cake with subsequent suspension of the lignin cake in a... Valmet Ab

Arrangement and system for feeding biomass material to a treatment process

A feeding arrangement for feeding lignocellulosic biomass material such as annual plant material towards a hydrolysis process includes at least one transportation device for transporting the biomass material towards the treatment process; and at least one tearing roll arranged at a predetermined distance from the at least one transportation device... Valmet Ab

Profile bar screen for digester vessels

The invention relates to an improved profile bar screen for draining treatment liquor from a suspension of comminuted cellulose material and treatment liquor in an essentially cylindrical digester vessel. According to the invention is a profile bar screen designed with horizontal support arches 11 with integrated support shoulders 12 only... Valmet Ab

Cost efficient kraft cooking method using polysulfide cooking liquor

The invention is related to a method for the preparation of kraft pulp with increased pulping yield from lignin-containing cellulosic material using polysulfide cooking liquor. In order to obtain a cost efficient system both in aspects of investment costs but also in aspects of heat economy of operating the process... Valmet Ab

Welding head for magnetic pulse welding of tubular profiles to a cylindrical inner member

The invention relates to a welding head for magnetic pulse welding of hollow thin-walled profile to an inner member having a complementary outer form to said hollow thin-walled profile. The weld head comprises two movable weld head halves (10a,10b) forming said weld head wherein each half has at least one... Valmet Ab

Plug screw feeder, feeder arrangement and system for treatment of lignocellulosic biomass material

A plug screw feeder (1) comprises a plug screw (10) with a thread (12) and a plug screw housing (20) surrounding the plug screw. The plug screw housing comprises an inlet opening (24) in a side of the plug screw and in a vicinity of a first axial end (18)... Valmet Ab

Arrangement and system for a treatment process

An arrangement for feeding and dewatering lignocellulosic material in a hydrolysis process between a first reactor unit, where the material is partly hydrolyzed, to a second reactor unit, wherein the first reactor unit operates at a first pressure and the second reactor unit operates at a second pressure being higher... Valmet Ab

A steam separation unit for a system for hydrolysis of lignocellulosic biomass material

A steam separation unit for separation of steam from lignocellulosic biomass material in a hydrolysis process includes a treatment vessel including a separation section and a biomass collection section. The separation section is arranged with at least one inlet for receiving at least partly hydrolyzed biomass material mixed with steam... Valmet Ab

Method of producing dissolving pulp from lignocellulosic material

The present invention relates to an improved process for producing dissolving pulp from a hydrolysis-kraft cooking process, and wherein production increases may result in less viscosity reduction and thus not meeting the target viscosities in the dissolving pulp produced. In order to compensate for losses in viscosity reduction in the... Valmet Ab

Biomass treatment system

In an outlet flow control arrangement (1) arrangeable to control a flow of material through an outlet (2) with a predetermined diameter arranged at an end of a pressurized processing container (3), the outlet flow control arrangement (1) comprises an adaptor unit (4) configured so that a cross-section of a... Valmet Ab

Arrangement for feeding comminuted material using a plug screw feeder

A feeding arrangement for feeding comminuted material to a treatment stage using a plug screw feeder. The invention relates to a design of the inlet to the plug screw feeder wherein, at least 2 chutes (20a,20b) are arranged to feed material to the feed screw (10), and that the cross... Valmet Ab

Method and arrangement for fiber flow equalization in a refiner

A refiner segment (1) for a refiner intended for defibrating lignocellulose-containing material has a refining surface comprising a group of first bars (10) and second bars (20), each first and second bar having a first end (10-1, 20-1) directed in the direction of an inlet zone (2) of the refiner... Valmet Ab

Kraft cooking method using polysulfide cooking liquor

The method is for the preparation of kraft pulp with increased pulping yield from lignin-containing cellulosic material using polysulfide cooking liquor. In order to increase carbohydrate stabilization and hence the yield from a kraft cooking process a first impregnation stage using polysulfide cooking liquor is implemented at high alkali and... Valmet Ab








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



###

This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Valmet Ab 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 Valmet Ab with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

###