PLUNGER TYPE MASTER CYLINDER
PROBLEM TO BE SOLVED: To avoid pressure containment in a hydraulic chamber in a state where a piston is at a non-operation position, in a plunger type master cylinder.SOLUTION: This plunger type master cylinder is structured such that a piston port 21a formed on a piston 21, opened to an outer perip...
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| creator | IMAI ERIKA SUZUKI KOJI |
| description | PROBLEM TO BE SOLVED: To avoid pressure containment in a hydraulic chamber in a state where a piston is at a non-operation position, in a plunger type master cylinder.SOLUTION: This plunger type master cylinder is structured such that a piston port 21a formed on a piston 21, opened to an outer peripheral wall surface of the piston 21 and communicating with a hydraulic chamber Rp1, and an annular seal point part 31b1 arranged in an inner periphery of a tip part of an inner peripheral lip part 31b of a seal ring 31 and seal-connectable to the outer peripheral wall surface of the piston 21 are set to overlap each other, and the hydraulic chamber Rp1 communicates with a reservoir through the piston port 21a and a communication passage. The inner peripheral lip part 31b of the seal ring 31 is provided with a plurality of axial communication grooves 31b2 extending from a base part-side end of the seal point part 31b1 toward a base part 31a, and a circumferential communication groove 31b3 for making seal point part-side ends of them circumferentially communicate with one another. |
| format | Patent |
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The inner peripheral lip part 31b of the seal ring 31 is provided with a plurality of axial communication grooves 31b2 extending from a base part-side end of the seal point part 31b1 toward a base part 31a, and a circumferential communication groove 31b3 for making seal point part-side ends of them circumferentially communicate with one another.</description><language>eng</language><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL ; PERFORMING OPERATIONS ; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ; TRANSPORTING ; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF ; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES ; VEHICLES IN GENERAL</subject><creationdate>2012</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=20120412&DB=EPODOC&CC=JP&NR=2012071733A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120412&DB=EPODOC&CC=JP&NR=2012071733A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IMAI ERIKA</creatorcontrib><creatorcontrib>SUZUKI KOJI</creatorcontrib><title>PLUNGER TYPE MASTER CYLINDER</title><description>PROBLEM TO BE SOLVED: To avoid pressure containment in a hydraulic chamber in a state where a piston is at a non-operation position, in a plunger type master cylinder.SOLUTION: This plunger type master cylinder is structured such that a piston port 21a formed on a piston 21, opened to an outer peripheral wall surface of the piston 21 and communicating with a hydraulic chamber Rp1, and an annular seal point part 31b1 arranged in an inner periphery of a tip part of an inner peripheral lip part 31b of a seal ring 31 and seal-connectable to the outer peripheral wall surface of the piston 21 are set to overlap each other, and the hydraulic chamber Rp1 communicates with a reservoir through the piston port 21a and a communication passage. The inner peripheral lip part 31b of the seal ring 31 is provided with a plurality of axial communication grooves 31b2 extending from a base part-side end of the seal point part 31b1 toward a base part 31a, and a circumferential communication groove 31b3 for making seal point part-side ends of them circumferentially communicate with one another.</description><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL</subject><subject>BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES</subject><subject>TRANSPORTING</subject><subject>VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF</subject><subject>VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAJ8An1c3cNUgiJDHBV8HUMDgGynSN9PP1cXIN4GFjTEnOKU3mhNDeDkptriLOHbmpBfnxqcUFicmpeakm8V4CRgaGRgbmhubGxozFRigC-USFQ</recordid><startdate>20120412</startdate><enddate>20120412</enddate><creator>IMAI ERIKA</creator><creator>SUZUKI KOJI</creator><scope>EVB</scope></search><sort><creationdate>20120412</creationdate><title>PLUNGER TYPE MASTER CYLINDER</title><author>IMAI ERIKA ; SUZUKI KOJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2012071733A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL</topic><topic>BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES</topic><topic>TRANSPORTING</topic><topic>VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF</topic><topic>VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>IMAI ERIKA</creatorcontrib><creatorcontrib>SUZUKI KOJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IMAI ERIKA</au><au>SUZUKI KOJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PLUNGER TYPE MASTER CYLINDER</title><date>2012-04-12</date><risdate>2012</risdate><abstract>PROBLEM TO BE SOLVED: To avoid pressure containment in a hydraulic chamber in a state where a piston is at a non-operation position, in a plunger type master cylinder.SOLUTION: This plunger type master cylinder is structured such that a piston port 21a formed on a piston 21, opened to an outer peripheral wall surface of the piston 21 and communicating with a hydraulic chamber Rp1, and an annular seal point part 31b1 arranged in an inner periphery of a tip part of an inner peripheral lip part 31b of a seal ring 31 and seal-connectable to the outer peripheral wall surface of the piston 21 are set to overlap each other, and the hydraulic chamber Rp1 communicates with a reservoir through the piston port 21a and a communication passage. The inner peripheral lip part 31b of the seal ring 31 is provided with a plurality of axial communication grooves 31b2 extending from a base part-side end of the seal point part 31b1 toward a base part 31a, and a circumferential communication groove 31b3 for making seal point part-side ends of them circumferentially communicate with one another.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2012071733A |
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| subjects | ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL |
| title | PLUNGER TYPE MASTER CYLINDER |
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