FLOAT CIRCUIT

PROBLEM TO BE SOLVED: To provide a float mechanism so that a tool is lowered while controlling the tool and subsequently float control is performed without requiring a fluid flow from a pressurizing source. SOLUTION: This float circuit 10 is equipped with a load lowering valve device 48 having a pil...

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1. Verfasser:	VANDE KERCKHOVE PHILIPPE G
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DREDGING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FOUNDATIONS HEATING HYDRAULIC ENGINEERING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SOIL SHIFTING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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creator	VANDE KERCKHOVE PHILIPPE G
description	PROBLEM TO BE SOLVED: To provide a float mechanism so that a tool is lowered while controlling the tool and subsequently float control is performed without requiring a fluid flow from a pressurizing source. SOLUTION: This float circuit 10 is equipped with a load lowering valve device 48 having a pilot-operated proportional valve 52 arranged between the first inlet port 26 of an actuator 16 and a tank 18 and a discharge/supply valve 54 arranged between the first inlet port 26 of the actuator 16 and the tank 18, and a pilot-operated check valve 66 which is arranged between positions among the second inlet port 28 of the actuator 16, the pilot-operated proportional valve 52 and the tank 18, shuts out fluid flowing through the second inlet port 28 of the actuator 16 in an ordinary state, and is moved to a communicating position when receiving a pressure signal.
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SOLUTION: This float circuit 10 is equipped with a load lowering valve device 48 having a pilot-operated proportional valve 52 arranged between the first inlet port 26 of an actuator 16 and a tank 18 and a discharge/supply valve 54 arranged between the first inlet port 26 of the actuator 16 and the tank 18, and a pilot-operated check valve 66 which is arranged between positions among the second inlet port 28 of the actuator 16, the pilot-operated proportional valve 52 and the tank 18, shuts out fluid flowing through the second inlet port 28 of the actuator 16 in an ordinary state, and is moved to a communicating position when receiving a pressure signal.</description><edition>7</edition><language>eng</language><subject>BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; DREDGING ; FIXED CONSTRUCTIONS ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; FOUNDATIONS ; HEATING ; HYDRAULIC ENGINEERING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; SOIL SHIFTING ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; WEAPONS</subject><creationdate>2000</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000215&DB=EPODOC&CC=JP&NR=2000046002A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000215&DB=EPODOC&CC=JP&NR=2000046002A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>VANDE KERCKHOVE PHILIPPE G</creatorcontrib><title>FLOAT CIRCUIT</title><description>PROBLEM TO BE SOLVED: To provide a float mechanism so that a tool is lowered while controlling the tool and subsequently float control is performed without requiring a fluid flow from a pressurizing source. SOLUTION: This float circuit 10 is equipped with a load lowering valve device 48 having a pilot-operated proportional valve 52 arranged between the first inlet port 26 of an actuator 16 and a tank 18 and a discharge/supply valve 54 arranged between the first inlet port 26 of the actuator 16 and the tank 18, and a pilot-operated check valve 66 which is arranged between positions among the second inlet port 28 of the actuator 16, the pilot-operated proportional valve 52 and the tank 18, shuts out fluid flowing through the second inlet port 28 of the actuator 16 in an ordinary state, and is moved to a communicating position when receiving a pressure signal.</description><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>DREDGING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>FOUNDATIONS</subject><subject>HEATING</subject><subject>HYDRAULIC ENGINEERING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SOIL SHIFTING</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB18_F3DFFw9gxyDvUM4WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgZAYGJmYGDkaEyUIgDckBzt</recordid><startdate>20000215</startdate><enddate>20000215</enddate><creator>VANDE KERCKHOVE PHILIPPE G</creator><scope>EVB</scope></search><sort><creationdate>20000215</creationdate><title>FLOAT CIRCUIT</title><author>VANDE KERCKHOVE PHILIPPE G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2000046002A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>DREDGING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>FOUNDATIONS</topic><topic>HEATING</topic><topic>HYDRAULIC ENGINEERING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SOIL SHIFTING</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>VANDE KERCKHOVE PHILIPPE G</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>VANDE KERCKHOVE PHILIPPE G</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FLOAT CIRCUIT</title><date>2000-02-15</date><risdate>2000</risdate><abstract>PROBLEM TO BE SOLVED: To provide a float mechanism so that a tool is lowered while controlling the tool and subsequently float control is performed without requiring a fluid flow from a pressurizing source. 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subjects	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DREDGING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FOUNDATIONS HEATING HYDRAULIC ENGINEERING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SOIL SHIFTING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
title	FLOAT CIRCUIT
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