CARTRIDGE VALVE ASSEMBLY

PROBLEM TO BE SOLVED: To provide a small cartridge valve assembly adaptable to a wide cartridge cavity. SOLUTION: The cartridge valve assembly includes: a body having a pilot port, a first port, a second port, a third port fluidly connected to a central bore; and a spool positioned within the centra...

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Bibliographische Detailangaben
1. Verfasser:	TABOR JOSEPH E
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a small cartridge valve assembly adaptable to a wide cartridge cavity. SOLUTION: The cartridge valve assembly includes: a body having a pilot port, a first port, a second port, a third port fluidly connected to a central bore; and a spool positioned within the central bore and being movable between at least a first position and a second position. The spool includes: a first chamber located at a first end surface of the spool in fluid communication with the pilot port; a second chamber located at a second end surface of the spool; and a control chamber. The area of the first end surface is greater than the area of the second end surface. A passage fluidly communicates the control chamber with the second chamber. In the first position, the first port and the second port fluidly communicate with the control chamber. In the second position, the second port and the third port fluidly communicate with the control chamber. COPYRIGHT: (C)2008,JPO&INPIT