PRESSURE REDUCTION VALVE

• Main Authors: NAKANO SATORU, KUBO TOSHIKATSU, HOTTA YUTAKA, KIHARA YUYA, YAMASHITA AKIRA
• Format: Patent
• Language: English; Japanese
• Published: 24.10.2019
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; CONTROLLING; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PHYSICS; REGULATING; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

To provide a pressure reduction valve that is reduced in size by simplifying the arrangement of a delivery passage, an output passage and an auxiliary passage and reduced in cost by reducing the number of processes for each passage.SOLUTION: A pressure reduction valve comprises a housing 20 and a valve mechanism 30. The housing includes: an input port 21; an input passage 24 connected to the input port; a pressure reduction chamber 51 connected to the input passage; a delivery passage 25 connected to the pressure reduction chamber; an output passage 28 and auxiliary passages 201, 202, branching from the delivery passage 25; an output port 22 connected to the output passage; and auxiliary ports 201a, 202a connected to the auxiliary passage. The valve mechanism is provided in the pressure reduction chamber and adjusts pressure in the pressure reduction chamber connected to the delivery passage by changing a degree of opening. The respective center lines of the delivery passage, the output passage and the auxiliary passage are arranged in the identical plane.SELECTED DRAWING: Figure 5 【課題】送出流路、出力流路及び補助流路の配置を簡素なものとして、小型化を図るとともに、各流路の加工工数を低減して低コスト化を図った減圧弁を提供する。【解決手段】減圧弁によれば、入力ポート２１、入力ポートに接続される入力流路２４、入力流路に接続される減圧室５１、減圧室に接続される送出流路２５、送出流路２５から分岐される出力流路２８及び補助流路２０１，２０２、出力流路に接続される出力ポート２２、並びに、補助流路に接続される補助ポート２０１ａ，２０２ａが形成されるハウジング２０と、減圧室に設けられ、開き量を変更することにより送出流路に接続される減圧室の圧力を調整する弁機構３０と、を備える。そして、送出流路、出力流路及び補助流路は、各中心線が同一平面上に配置される。【選択図】図５