JPH05324094A - Liquid pressure controller - Google Patents

Liquid pressure controller

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Publication number
JPH05324094A
JPH05324094A JP14835492A JP14835492A JPH05324094A JP H05324094 A JPH05324094 A JP H05324094A JP 14835492 A JP14835492 A JP 14835492A JP 14835492 A JP14835492 A JP 14835492A JP H05324094 A JPH05324094 A JP H05324094A
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JP
Japan
Prior art keywords
pressure
valve
steam
setting
fluid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14835492A
Other languages
Japanese (ja)
Inventor
Shizumaro Ooishi
鎮麿 大石
Original Assignee
Tlv Co Ltd
株式会社テイエルブイ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tlv Co Ltd, 株式会社テイエルブイ filed Critical Tlv Co Ltd
Priority to JP14835492A priority Critical patent/JPH05324094A/en
Publication of JPH05324094A publication Critical patent/JPH05324094A/en
Application status is Pending legal-status Critical

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Abstract

PURPOSE: To eliminate the troublesome setting of pressure and to improve the pressure accuracy without the delay of the setting time by concurrently setting the pressure of both liquid supply valve and liquid emission valve to a liquid-use equipment.
CONSTITUTION: A steam supply tube 2 is connected to a steam use equipment 1. An automatic setting reducing pressure valve 4 is installed on the steam supply tube 2 through an opening/closing valve 3. At the top of the steam use equipment 1, an automatic setting safety vent valve 5 is installed. The valves 4 and 5 connect a control section 7 and a pressure input section 8. According to the input value from the pressure input section 8, the pressure of the valves 4 and 5 are set at the same time.
COPYRIGHT: (C)1993,JPO&Japio

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、蒸気、ガス、液体等の各種流体を使用する流体使用機器の圧力を所望範囲に制御する流体圧力制御装置に関する。 The present invention relates to a vapor, gas, a fluid pressure control apparatus for controlling a desired range the pressure of the fluid used equipment using various fluids such as liquid. 具体的には、水蒸気の保有熱量を利用して加熱や乾燥等を行う蒸気使用機器、一定圧力のガスを貯溜するガス貯溜装置等の流体圧力を所望圧力に制御する装置に関する。 Specifically, steam-using devices utilizing heat held steam for heating and drying and the like, an apparatus for controlling the desired pressure fluid pressure such as a gas reservoir apparatus for reserving a constant pressure of the gas.

【0002】 [0002]

【従来の技術】従来の蒸気使用機器における流体圧力制御装置としては、蒸気使用機器に所定圧力の蒸気を供給するための蒸気圧力調節弁を機器の入口側に設け、蒸気使用機器に所定圧力以上の蒸気を放出する安全逃し弁を取付けたものがある。 BACKGROUND ART As the fluid pressure control device in a conventional steam-using equipment, provided the steam pressure regulating valve for supplying steam of a predetermined pressure in the steam-using equipment to the inlet side of the device, a predetermined pressure above the vapor used equipment there is mounted a safety relief valve to release the steam. これは、圧力調節弁から所望圧力蒸気を供給して機器で使用し、機器内の圧力が何等かの原因により昇圧すると安全逃し弁が開弁して機器から昇圧蒸気を放出することによって、機器内を所望の圧力範囲に維持制御するものである。 This is because for use with instruments to provide the desired pressure steam from the pressure regulating valve, the pressure in the device is boosted by any cause like the safety relief valve to release a boosted vapor from the device to open, equipment the inner is to maintain controlled to a desired pressure range.

【0003】 [0003]

【発明が解決しようとする課題】上記従来のものでは、 [0007] The present of the above-mentioned prior art,
使用蒸気圧力を頻繁に変更する場合に、圧力調節弁と同時に安全逃し弁の設定圧力をも変更しなければならず繁雑であると共に、変更に時間を要してしまう問題があった。 When frequent changes to use steam pressure, as well as a complicated must also change the setting pressure at the same time safety relief valve and the pressure regulating valve, there is a problem that it takes time to change. 特に蒸気使用機器内で加熱等を行う被加熱物が食品や医薬品や化学物質である場合には、僅かな温度変化により被加熱物が劣化したり熱損傷を受けたりするために、蒸気温度すなわち蒸気圧力は精度良く且つ時間遅れなく速やかに制御しなければならないのである。 When the object to be heated is a food or pharmaceuticals and chemicals, especially for heating or the like in a steam-using equipment, to the heated object or subjected to heat damage or deteriorated by a slight temperature change, the steam temperature ie steam pressure is not necessary to promptly controlled without delay precisely and time.

【0004】従って本発明の技術的課題は、流体の供給弁と、放出または吸引弁手段とを同時に駆動設定できるようにすることにより、設定圧力変更時の繁雑さをなくし且つ変更に時間遅れを生じることのない流体圧力制御装置を得ることである。 [0004] Thus the technical problem of the present invention includes a supply valve of the fluid by allowing the simultaneous drive sets the release or aspiration valve means, the time delay and change without complication at the time of changing the set pressure it is to obtain the free fluid pressure control device that occurs.

【0005】 [0005]

【課題を解決するための手段】上記の技術的課題を解決するために講じた本発明の技術的手段は、流体使用機器に流体を供給する流体供給管を接続し、該供給管に流体圧力を調節する圧力調節弁を取付け、流体使用機器に該機器内の圧力を放出または機器内へ吸引する弁手段を連通し、上記圧力調節弁と弁手段に所望圧力を設定する圧力設定駆動部を取付け、該圧力設定駆動部に駆動信号を発する制御部を接続し、該制御部に圧力調節弁と弁手段の所望圧力を入力する圧力入力部を接続したものである。 Means for Solving the Problems] technical means of the present invention taken in order to solve the above technical problem is to connect the fluid supply pipe for supplying the fluid to the fluid machine used, the fluid pressure in the supply pipe install a pressure regulating valve for adjusting the, communicates the valve means for sucking a pressure in the instrument to the fluid machine used to release or the device, the pressure setting drive unit for setting a desired pressure in the pressure regulating valve and the valve means mounting, connect the control unit to emit a drive signal to the pressure setting drive unit, which are connected to pressure input unit for inputting a desired pressure of the pressure regulating valve and the valve means to the control unit.

【0006】 [0006]

【作用】上記の技術的手段の作用は下記の通りである。 [Action] action of the above-mentioned technical means are as follows.
圧力調節弁と弁手段に圧力設定駆動部を介して制御部と圧力入力部を接続したことにより、圧力入力部から所望流体圧力を入力することにより、制御部から圧力設定駆動部に駆動信号が送られ、圧力調節弁及び弁手段の設定圧力が同時に且つ時間遅れなく設定される。 By connecting the control unit and the pressure input through the pressure setting drive unit to pressure regulating valve and the valve means, by inputting a desired fluid pressure from the pressure input unit, the drive signal to the pressure setting drive unit from the control unit sent, the set pressure of the pressure regulating valve and the valve means is set without delay at the same time and time.

【0007】圧力調節弁に自力式圧力調節弁としての減圧弁を用いた場合は、減圧弁の圧力調節バネのバネ力を調節する圧力調節ネジに、圧力設定駆動部としてのモ― [0007] In the case of using the pressure reducing valve as self-type pressure regulating valve to the pressure regulating valve, the pressure adjusting screw for adjusting the spring force of the pressure regulating spring of the pressure reducing valve, motor as a pressure setting driver -
タ等を接続することにより、モ―タを入力圧力に応じた回転数だけ回転させて圧力調節バネのバネ力を調節することにより、減圧弁の設定圧力を任意に設定することができる。 By connecting the motor and the like, motor - by which is rotated by the rotation speed corresponding to the input pressure data to adjust the spring force of the pressure regulating spring, it is possible to arbitrarily set the set pressure of the pressure reducing valve. また同様に、弁手段としてバネ式の安全逃し弁を用いた場合は、この圧力調節バネのバネ力をモ―タで調節することにより、安全逃し弁の設定圧力を任意に且つ時間遅れなく設定することができる。 Similarly, in the case of using a safety relief valve spring as the valve means, the spring force of the pressure regulating spring mode - by adjusting in data set rather arbitrarily delay and time the set pressure of the safety relief valve can do.

【0008】 [0008]

【実施例】上記の技術的手段の具体例を示す実施例を説明する(図1乃至図3参照)。 BRIEF DESCRIPTION Examples of a specific example of the above technical means (see FIGS. 1 to 3). 本実施例においては、流体使用機器として蒸気使用機器を用いた例を示す。 In the present embodiment, an example of using a steam-using equipment as the fluid used equipment. 蒸気使用機器1に蒸気を供給する蒸気供給管2を接続し、この蒸気供給管2に開閉弁3と圧力調節弁としての自動設定減圧弁4を取付ける。 Connect the steam supply pipe 2 for supplying the steam to the steam using apparatus 1, mounting the automatic setting pressure reducing valve 4 as an opening and closing valve 3 and the pressure regulating valve to the steam supply pipe 2. 蒸気使用機器1の上部には圧力放出または吸引弁手段としての自動設定安全逃し弁5を取付ける。 The upper part of the steam-using equipment 1 mounting the automatic setting safety relief valve 5 as a pressure release or aspiration valve means. 蒸気使用機器1の下部には機器1内で熱交換した蒸気のうち復水化した凝縮水のみを排出するスチ― Steel at the bottom of the steam-using apparatus 1 for discharging only condensed water recovery hydrated of steam heat exchanger in the apparatus 1 -
ムトラップ6を接続する。 To connect the Mutorappu 6. 自動設定減圧弁4と自動設定安全逃し弁5及び蒸気開閉弁3は、制御部7と接続し、 Automatic setting pressure reducing valve 4 and the automatic setting safety relief valve 5 and the steam on-off valve 3 is connected to the control unit 7,
制御部7には圧力入力部8を接続する。 The control unit 7 connects the pressure input unit 8. 蒸気使用機器1 Steam-using equipment 1
内の圧力を検出する圧力センサ―9を取付けて制御部7 By attaching the pressure sensor -9 for detecting the pressure of the inner control section 7
と接続する。 To connect with.

【0009】自動設定減圧弁4は図2に詳細を示すように、減圧弁部10に圧力設定駆動部としてのアクチュエ―タ部11を取付けたもので、減圧弁部10に蒸気入口12と出口13を有する。 [0009] Automatic setting pressure reducing valve 4, as shown in detail in Figure 2, actuator as a pressure setting drive unit to pressure reducing valve section 10 - which was fitted with a motor unit 11, the steam inlet 12 and the outlet to the pressure reducing valve section 10 with a 13. 蒸気入口12を蒸気供給管2 The steam inlet 12 steam supply pipe 2
と接続し、出口13を蒸気使用機器1に接続する。 Connected to, for connecting the outlet 13 to the steam-using equipment 1. 図2 Figure 2
に示す減圧弁はパイロット式減圧弁と呼ばれるもので、 Pressure reducing valve shown in is called a pilot type pressure reducing valve,
入口12と出口13を連通遮断する主弁口14と弁体1 The main valve port 14 to cut off communication between the inlet 12 and outlet 13 and the valve body 1
5、弁体15と協働するピストン16、ピストン16上部に形成したピストン室17、ピストン室17に入口1 5, the inlet 1 to the piston 16, piston chamber 17 formed in the piston 16 upper piston chamber 17 to work the valve body 15 interacts
2側蒸気を通路18,19を介して供給遮断するパイロット弁20、パイロット弁20と協働する円板状のダイヤフラム21、ダイヤフラム21の下部に形成したダイヤフラム室22、ダイヤフラム室22と出口13側を連通する連通路23、ダイヤフラム21の上面に取付けた圧力調節バネ24、この圧力調節バネ24のバネ荷重を変化させる圧力調節ネジ25、圧力調節ネジ25を回転しながら上下動させるモ―タ出力軸26、モ―タ出力軸26を減速器27を介して回転させるモ―タ28にて構成される。 Pilot valve 2 side steam supply cut off through passages 18, 19 20, disc-shaped diaphragm 21 which work pilot valve 20 interacts, diaphragm chamber 22 formed in the lower portion of the diaphragm 21, diaphragm chamber 22 and the outlet 13 side the communication passage 23 which communicates with the pressure regulating spring 24 attached to the upper surface of the diaphragm 21, the pressure adjustment screw 25 to change the spring load of the pressure regulating spring 24, motor vertically moves while rotating the pressure adjustment screw 25 - data output It constituted by motor 28 - shaft 26, motor - motor for rotating through a reduction gear 27 a motor output shaft 26. 出口13側圧力が、圧力調節ネジ25の締め込み量に応じた圧力調節バネ24のバネ荷重よりも低下すると、ダイヤフラム21が下方に変位してパイロット弁20を開弁し、入口12側の高圧蒸気が通路18,1 Outlet 13 side pressure and lower than the spring load of the pressure regulating spring 24 in accordance with the tightening amount of the pressure adjustment screw 25, it opens the pilot valve 20 diaphragm 21 is displaced downwardly, the inlet 12 side pressure steam passage 18,1
9を通ってピストン室17に流入することにより、ピストン16が下方に変位して弁体15も下方へ開弁し、入口12側の高圧蒸気が出口13側に供給されて出口13 By flowing into the piston chamber 17 through the 9, the valve body 15 the piston 16 is displaced downward to open downwardly, high pressure steam inlet 12 side is supplied to the outlet 13 side outlet 13
側の圧力が上昇する。 Pressure side is increased. 出口13側の圧力が上昇するとダイヤフラム室22の圧力も上昇してダイヤフラム21が圧力調節バネ24のバネ力に打ち勝って上方に変位することによって、パイロット弁20が閉弁し、ピストン室17への蒸気の供給が絶たれることにより、ピストン1 By the diaphragm 21 pressure also rises in the pressure of the outlet 13 side is increased diaphragm chamber 22 is displaced upward by overcoming the spring force of the pressure regulating spring 24, the pilot valve 20 is closed, to the piston chamber 17 by the supply of steam is cut off, the piston 1
6と弁体15が閉弁して出口13側への蒸気の供給を停止することによって、出口13側は所定圧力に維持されるものである。 By 6 and the valve body 15 to stop the supply of steam by closing the outlet 13 side, the outlet 13 side in which is maintained at a predetermined pressure.

【0010】自動設定安全逃し弁5は図3に詳細を示すように、安全逃し弁部30に圧力設定駆動部としてのアクチュエ―タ31を取付けたもので、安全逃し弁部30 [0010] Automatic setting safety relief valve 5, as shown in detail in Figure 3, actuator as a pressure setting driver to safety relief valve 30 - which was fitted with a motor 31, safety relief valve 30
に入口32と出口33を設ける。 Providing an inlet 32 ​​and an outlet 33 to. 入口32を蒸気使用機器1の上部と接続し、出口33は大気に開放状態で配置する。 The inlet 32 ​​is connected to the upper part of the steam-using equipment 1, the outlet 33 is placed in an open state to the atmosphere. 安全逃し弁部30に入口32と出口33を連通遮断する安全逃し弁口34と弁体35を配置し、弁体35 The inlet 32 ​​and outlet 33 arranged safety relief valve port 34 and the valve body 35 to shut off communication with the safety relief valve 30, the valve body 35
に弁軸36の一端を挿入し、弁軸36下部に段部を形成してバネ受け板37を取付け、バネ受け板37の上部に圧力調節バネとしてのコイルバネ38を配置しバネ38 To insert the one end of the valve shaft 36, fitted with a spring-receiving plate 37 to form a stepped portion in the lower valve stem 36, arranged coil spring 38 as a pressure regulating spring on top of the spring receiving plate 37 spring 38
の上端にバネ押え板39を介して圧力調節ネジ40を取付ける。 Attaching the pressure adjustment screw 40 via a spring retainer plate 39 to the upper end of the. 圧力調節ネジ40の内部空間に弁軸36の上部を隙間を介して配置する。 Disposing through a gap the top of the valve shaft 36 in the interior space of the pressure adjustment screw 40. 圧力調節ネジ40の上部はモ―タ41の出力軸42とモ―タ減速器42を介して接続する。 The top of the pressure adjustment screw 40 mode - connected via a data reducer 42 - the output shaft 42 and the motor of the motor 41. モ―タ41の回転により圧力調節ネジ40が回転上下しバネ押え板39が上下することにより、コイルバネ38の圧縮量が変化してバネ荷重が変化し、弁体35 Mode - by the spring retainer plate 39 is a pressure adjustment screw 40 is rotated up and down by the rotation of the motor 41 rises and falls, the spring load changes compression amount of the coil spring 38 is changed, the valve body 35
の弁口34への着座力が調節されることによって安全逃し弁部30の吹出し圧力が所望値に設定されるものである。 Outlet pressure of the safety relief valve portion 30 by the seating force is adjusted to the valve port 34 is intended to be set to a desired value.

【0011】自動設定減圧弁4と自動設定安全逃し弁5 [0011] The automatic setting pressure reducing valve 4 and the automatic setting safety relief valve 5
には、共に図示はしていないがバネ24,38のたわみ量を検出するためのポテンショメ―タ等を取付けると共に、モ―タ28,41を駆動制御するための電気回路基板等を取付ける。 They include, but are not shown both potentiometers for detecting the amount of deflection of the spring 24, 38 - with mounting a motor or the like, motor - mounting the electric circuit board or the like for driving and controlling the motor 28, 41.

【0012】次に作用を説明する。 [0012] Next, a description will be given of the operation. 開閉弁3を開弁状態とすることにより蒸気供給管2から蒸気が自動設定減圧弁4に至り、所望値に減圧設定された圧力となって蒸気使用機器1内に供給され図示しない被加熱物を加熱する。 Reaches the on-off valve 3 to the automatic setting pressure reducing valve 4 steam from the steam supply pipe 2 by an open state, the object to be heated (not shown) is supplied under reduced pressure to a set pressure in the steam-using apparatus 1 to the desired value heating the. 被加熱物を加熱して復水化した凝縮水はスチ―ムトラップ6から系外に排出される。 Condensed water recovery hydrated by heating the object to be heated is steel - is discharged from Mutorappu 6 out of the system. 自動設定減圧弁4の故障等によって蒸気使用機器1内の圧力が異常昇圧し、自動設定安全逃し弁5の設定圧力を越えると自動設定安全逃し弁5が開弁して機器1内の蒸気圧力を大気に放出することにより、蒸気使用機器1内の昇圧が解消され所定圧力範囲に復帰する。 The pressure in the steam-using equipment 1 is abnormally increased by failure of automatic setting pressure reducing valve 4, the vapor pressure of exceeds the set pressure of the automatic setting safety relief valve 5 automatically set safety relief valve 5 is in the device 1 by opening the by releasing to the atmosphere, to return to the predetermined pressure range boost is eliminated in the steam-using equipment 1.

【0013】蒸気使用機器1内の蒸気圧力を変更する場合、圧力入力部8から所望圧力値を入力することにより制御部7を経て、自動設定減圧弁4と自動設定安全逃し弁5のそれぞれのモ―タ28,41が所定量回転して両者の圧力が同時に且つ時間遅れを生じることなく設定される。 [0013] When changing the steam pressure in the steam-using equipment 1, via the control unit 7 by inputting a desired pressure value from the pressure input unit 8, the automatic setting pressure reducing valve 4 and the automatic setting safety relief valve 5, respectively motor - motor 28, 41 the pressure of both the rotating predetermined amount is set without causing simultaneously and time delay. 自動設定安全逃し弁5の設定圧力は、例えば自動設定減圧弁4の設定圧力の1.5倍とか2倍とかあるいは0.3キロの圧力を加えた値等適宜選定するものとする。 Set pressure of the automatic setting safety relief valve 5, for example, it is assumed that the 1.5-fold Toka like as appropriate value plus the pressure of the double Toka or 0.3 kg selection of set pressure of the automatic setting pressure reducing valve 4.

【0014】圧力センサ―9からの検出圧力に応じて自動設定減圧弁4の設定圧力を自動設定することもできる。 [0014] It is also possible to automatically set the set pressure of the automatic setting pressure reducing valve 4 in response to the detected pressure from the pressure sensor 9. また本実施例においては、蒸気供給管2から正圧すなわち大気圧以上の蒸気を供給加熱する例を示したが、 In the present embodiment, an example of supplying heat the positive pressure ie above-atmospheric steam from the steam supply pipe 2,
自動設定減圧弁4と自動設定安全逃し弁5のバネ24, Automatic setting pressure reducing valve 4 and the spring 24 of the automatic setting safety relief valve 5,
38の荷重方向を逆、すなわち本実施例においては圧縮バネの例であるが引張りバネとすることにより、大気圧以下の負圧下の蒸気圧力であっても、機器内の圧力が低下し過ぎた場合に大気圧を自動設定安全逃し弁5から吸引することによって用いることができる。 38 opposite the load direction, i.e. By is an example of a compression spring and tension spring in the present embodiment, even in the vapor pressure of the negative pressure below atmospheric pressure, the pressure in the device is too low it can be used by sucking atmospheric pressure from the automatic setting safety relief valve 5 when.

【0015】 [0015]

【発明の効果】上記のように本発明によれば、流体供給弁の圧力調節弁と、流体放出または吸引弁の弁手段とを、圧力入力部からの信号によって同時に設定駆動することができ、従来のように別々に設定する繁雑さがなくなると共に、両者の設定に時間遅れを生じないために圧力精度が向上する。 Effects of the Invention According to the present invention as described above, the pressure regulating valve of the fluid supply valve, a valve means for fluid discharge or suction valve, can be set simultaneously driven by a signal from the pressure input unit, with complication be set separately as in the prior art is eliminated, the pressure accuracy improved to no time delay in both settings.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の流体圧力制御装置の実施例を示す構成図である。 1 is a configuration diagram showing an embodiment of a fluid pressure control device of the present invention.

【図2】図1における自動設定減圧弁の断面図である。 Is a cross-sectional view of an automatic setting pressure reducing valve in FIG. 1;

【図3】図1における自動設定安全逃し弁の断面図である。 3 is a cross-sectional view of an automatic setting safety relief valve in Figure 1.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 蒸気使用機器 2 蒸気供給管 4 自動設定減圧弁 5 自動設定安全逃し弁 7 制御部 8 圧力入力部 1 steam usage device 2 steam supply pipe 4 autoconfiguration pressure reducing valve 5 automatically set safety relief valve 7 control unit 8 pressure input unit

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 流体使用機器に流体を供給する流体供給管を接続し、該供給管に流体圧力を調節する圧力調節弁を取付け、流体使用機器に該機器内の圧力を放出または機器内へ圧力を吸引する弁手段を連通し、上記圧力調節弁と弁手段に所望圧力を設定する圧力設定駆動部を取付け、該圧力設定駆動部に駆動信号を発する制御部を接続し、該制御部に圧力調節弁と弁手段の所望圧力を入力する圧力入力部を接続した流体圧力制御装置。 1. A connecting fluid supply pipe for supplying the fluid to the fluid used equipment, fitted with a pressure regulating valve for adjusting the fluid pressure in the supply pipe, the pressure in the instrument to the fluid machine used to release or the equipment communicating the valve means for sucking pressure, mounting the pressure setting drive unit for setting a desired pressure in the pressure regulating valve and the valve means to connect the control unit to emit a drive signal to the pressure setting drive unit, to the control unit fluid pressure control device connected to the pressure input unit for inputting a desired pressure of the pressure regulating valve and the valve means.
JP14835492A 1992-05-15 1992-05-15 Liquid pressure controller Pending JPH05324094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14835492A JPH05324094A (en) 1992-05-15 1992-05-15 Liquid pressure controller

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Application Number Priority Date Filing Date Title
JP14835492A JPH05324094A (en) 1992-05-15 1992-05-15 Liquid pressure controller

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JPH05324094A true JPH05324094A (en) 1993-12-07

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US9216406B2 (en) 2011-02-23 2015-12-22 SDCmaterials, Inc. Wet chemical and plasma methods of forming stable PtPd catalysts
US9427732B2 (en) 2013-10-22 2016-08-30 SDCmaterials, Inc. Catalyst design for heavy-duty diesel combustion engines
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US9522388B2 (en) 2009-12-15 2016-12-20 SDCmaterials, Inc. Pinning and affixing nano-active material
US9586179B2 (en) 2013-07-25 2017-03-07 SDCmaterials, Inc. Washcoats and coated substrates for catalytic converters and methods of making and using same
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