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Kitz Corporation patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Kitz Corporation-related inventors


Closed rearing method and closed rearing apparatus

Provided are a closed rearing method and a closed rearing apparatus which can decompose and remove ammonia contained in rearing water without supplying an excessive amount of ozone and can also suppress generation of toxic oxidants. In a closed rearing method for aquatic organisms and marine animals involving an ozone treatment for decomposing ammonia in rearing water by supplying a gas containing ozone into the rearing water, the closed rearing method is characterized in that aquaculture is performed in a closed environment by a first step for determining the ozone concentration of the gas and ph conditions of the rearing water suitable for reducing the amount of generation of toxic oxidants by previously treating the rearing water to reduce ammonia contained therein to the target value by using an apparatus for actually conducting the treatment and a second step for conducting an ozone treatment of the rearing water according to the suitable ozone concentration and ph conditions determined in the first step.. ... Kitz Corporation

Vacuum gate valve

A vacuum gate valve includes a valve body open/close drive body provided between opposing housing bodies, a stem of the valve body open/close drive body, and a valve body provided to the stem. The housing bodies each has a piston rod vertically moving by a cylinder mechanism, a cam member of the piston rod, and a cam roller provided in a cam groove formed in the cam member. ... Kitz Corporation

Block valve and block valve for raw material container

A block valve and a block valve for a raw material container having a structure in which a retaining part of a liquid material or cleaning fluid is not present inside. In a block valve (10), one side of a main flow path (18) communicating with a supply route (14) of a block body (11) and a first minimal port part (21) of a first diaphragm valve (12) disposed in a tilted state with respect to the block body are connected, another side of the main flow path and a second minimal port part (22) of a second diaphragm valve (13) are connected, a port opening (25) of the second diaphragm valve is communicated by a supply port part (15), and a joint port part (23) of the first diaphragm valve and a connection line (16) in a vertical direction are connected by a communication path (19).. ... Kitz Corporation

Rotary valve and quick exhaust valve for railway vehicle

A rotary valve and a quick exhaust valve for a railway vehicle in which high sealability and operability at the time of valve opening and closing are ensured. Outflow/inflow ports (10, 11) and a discharge port (12) are formed in a valve body accommodating part having a spherical surface part or a tapered surface part formed on part of an inner periphery in a body (2), and a valve body (3) is rotatably inserted from an opening which is open from the valve body accommodating part. ... Kitz Corporation

Cross hole deburring tool, cross hole deburring method, and rotary valve machined by using the same

A cross hole deburring tool which performs rotary cutting on a cross hole burr occurring on a cross ridgeline part between a through path and an inner circumferential surface of a spherically-shaped hollow part. A tool main body includes a tip part and a shank, and the tip part has a shape obtained by setting a diameter axis of a circle, setting an eccentric axis parallel to the diameter axis and away therefrom by a predetermined eccentric distance, setting a closed region in a bow shape formed of a line segment obtained by cutting the eccentric axis by the circle and a minor arc on the circle by defining this line segment as a chord, setting an outer surface shape of a bow-shaped solid of revolution formed by rotating this bow shape about the eccentric axis, and taking this outer surface shape as the shape of the tip part.. ... Kitz Corporation

Method of producing hot forged product using brass and hot forged product and wetted product such as valve and water faucet molded using the same

To contribute to an improvement in a dezincification resistance of a copper alloy, focusing attention on a relation between a dezincification resistance of a copper alloy and the crystal grain size of an α phase, and the specific object is to provide a method of producing a hot forged product using a lead-free brass capable of ensuring corrosion resistances such as a prescribed dezincification resistance and the like even at sites of different thickness and shape, a hot forged product, and a wetted product such as a valve and a water faucet, molded using the same. A method of producing a hot forged product using a brass, comprising heat-treating a raw material to be subjected to forging work using a brass having a composition containing at least 59.2 to 63.0% by mass of cu, 1.00 to 2.00% by mass of sn and 0.05 to 0.25% by mass of pb and containing the residue composed of zn and inevitable impurities at a heating rate of 5.2° c./s or more from 350° c. ... Kitz Corporation

Structure and method for fastening ball seat for ball valve, trunnion-type ball valve, and hydrogen station using said valve

A structure and method for fastening a ball seat for a ball valve, a trunnion-type ball valve (100), and a hydrogen station using this valve, in which a stepped part (30) is provided in mid-course of each of inner and outer peripheral surfaces of a resin-made annular seat body (21), with a seat part (31) provided on a tip side and a holding part (32) provided on a rear end side; an attachment groove (45) formed of inner and outer cylinders having a ring-shaped swaging edge part (34) is formed at a tip of a seat retainer (22); the holding part (32) is attached to this attachment groove (45); and the swaging edge part (34) of the inner and outer cylinders is closely contacted and fixed by being swaged to the stepped part (30) to cause the seat part (31) to protrude more than a swaging position.. . ... Kitz Corporation








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