序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
121 SCROLL FLUID MACHINE EP11828660.8 2011-08-24 EP2623785B1 2018-07-25 SATO, Toru; ASAMI, Junichi
A disc-like spacer 78 arranged below a first roller bearing 54 rotatably supporting a driven crankshaft 52 that forms an anti-rotation system 50 is formed with a plurality of notches 78a in the circumferential direction. A spot face 80 is provided to face the outer circumferential surface of the spacer 78, and communication holes 82 and 86 are drilled on the outer circumferential side of the spot face 80 to extend in the axial direction of the scroll. Also formed is a communication hole communicating the communication hole 86 with the first roller bearing 54 via the notches 78a. A grease nipple 88 is mounted to the communication hole 86. To replenish grease, the fixed scroll 10 is removed from the housing 40 such that the orbiting scroll 20 is exposed, and grease is injected from the grease nipple 88 into the first roller bearing 54 with a grease gun.
122 SCROLL-TYPE FLUID MACHINE AND MAINTENANCE METHOD FOR SAME EP16841685.7 2016-08-26 EP3343038A1 2018-07-04 KATO, Fuminori; YAMAZAKI, Shumpei; KANEMOTO, Yoshiyuki; EMI, Takanori

The purpose of the present invention is to provide a scroll-type fluid machine for which maintenance can easily be performed in necessary locations, and a maintenance method for said fluid machine. The present invention provides a scroll-type fluid machined characterized by being provided with a main body unit for compressing a fluid, and a motor unit for driving the main body unit; the main body unit having a fixed scroll, a revolving scroll, a main body casing, and an autorotation-preventing mechanism that is held by the revolving scroll and the main body casing and that prevents autorotation of the revolving scroll; the motor unit having a rotor, a stator for causing the rotor to rotate, a shaft that rotates integrally with the rotor, a motor cover for housing the rotor and the stator, and a main bearing that is secured to the interior by the motor cover and that supports the shaft; a distal end of the shaft having an eccentric part; the main body unit and the motor unit being connected via the eccentric part; and the main body casing and the motor cover being fastened by a fastening member.

123 SCROLL-TYPE FLUID MACHINE AND MAINTENANCE METHOD FOR SAME EP15860679 2015-11-11 EP3222851A4 2018-07-04 WATANABE SHO; IWANO KIMINORI; KOBAYASHI YOSHIO
The objective of the present invention is to provide a scroll-type fluid machine and maintenance method for same with which reliability and workability are improved by making it possible to supply sufficient grease to necessary parts of an orbiting bearing or auxiliary crank bearing without entailing a complicated operation during maintenance. The present invention provides a scroll-type fluid machine that is provided with a fixed scroll, an orbiting scroll facing the fixed scroll and orbiting, a casing being provided on the outer side of the orbiting scroll in the radial direction, a drive shaft driving the orbiting scroll, an orbiting bearing supporting the drive shaft with respect to the orbiting scroll, and a piping supplying a lubricant to the orbiting bearing, said scroll-type fluid machine being characterized in that: the orbiting scroll is provided with a boss plate that is attached to the drive shaft; the piping is provided in the boss plate; and the tip of the piping faces toward an opening provided between the casing and the fixed scroll or toward an opening provided in the fixed scroll or the casing.
124 MEAT EMULSION PUMP EP10760560.2 2010-09-23 EP2493322B1 2016-12-21 MADDUX, Andrew, W.; XIE, Liansuo; SIMPSON, Michael, S.; ARNOTE, Kenneth, B.; BURGERS, Emile, A.
125 PISTON WITH REPLACEABLE AND/OR ADJUSTABLE SURFACES EP14770081 2014-03-12 EP2971774A4 2016-12-14 RAMOS ROLANDO NICO M; HILLPERT LEE; BLODGETT WILLIAM W
A piston for a pump a hub portion defining opposing outer portions, and inserts configured to provide an adjustable surface coupled to each of the opposing outer portions. The hub portion includes a first hub portion and a second hub portion configured to abut one another. Each of the inserts includes an outer shell and a base portion. The first hub portion includes a plurality of the opposing outer portions, and each of the base portions of the inserts is adjustably coupled to respective opposing outer portions of the first hub portion. A pump includes a housing having an inlet and an outlet, and at least two pistons having a hub portion and inserts. The pump may be a positive-displacement, rotary pump, and the pistons may be circumferential pistons.
126 SCHRAUBENSPINDELPUMPE EP15705510.4 2015-01-22 EP3099899A1 2016-12-07 ESCHNER, Thomas
The invention relates to a screw spindle pump, having a housing (2) which surrounds a delivery chamber (5), having two spindles (7, 8), specifically a drive spindle (7) and an oppositely rotating running spindle (8), having a housing insert (6) which is arranged in the housing (2) and in which the spindles (7, 8) are accommodated, having at least one bearing element (13', 13'') which is connected to the housing insert (6) and on which bearings (12) of the spindles (7, 8) are arranged, and having at least one housing cover (14', 14'') which closes off a housing opening. It is an object of the invention to provide a screw spindle pump on which maintenance and inspection work can be carried out more easily and inexpensively. Said object is achieved by means of the invention in that the bearing element (13', 13'') forms a unit (15) with the housing insert (6) and the spindles (7, 8) accommodated therein, which unit can be removed from the housing (2) through the housing opening after the housing cover (14', 14'') has been removed.
127 MULTI-STAGE PUMP WITH TRANSVERSE WALL EP13703637.2 2013-01-29 EP2809880A2 2014-12-10 GRAY, Malcolm William; NELLER, Paul David; TURNER, Neil; TATTERSALL, Jack Raymond
The present invention relates to a multi-stage vacuum pump 10 which has a plurality of pumping stages 12, 14, 16, 18. The pump comprises a stator forming the pumping chambers 32, 34, 36, 38 of respective pumping stages and at least one shaft 40, 42 for supporting a plurality of rotors 44a, 44b; 46a, 46b; 48a, 48b; 50a, 50b for rotation in respective pumping chambers. The stator comprises: a stator envelope 20 which extends over an axial extent of a plurality of stator stages thereby circumscribing said at least one shaft and forming an internal profile of a plurality of stator stages: and a plurality of transverse walls 22, 24, 26, 28, 30 located on either axial side of the stator stages to form respective said pumping chambers. At least one of the transverse walls is an inter-stage 26, 28, 30 between stator stages and the stator envelope is configured to circumscribe the inter-stage for location of said inter-stage radially inward of the stator part.
128 REMOTE MONITORING SYSTEM OF UNIAXIAL ECCENTRIC SCREW PUMP EP12841195.6 2012-10-16 EP2781749A1 2014-09-24 ONO, Sunio

In order to enable monitoring of operating conditions of a plurality of uniaxial eccentric screw pumps with monitoring means installed in a remote site, a remote monitoring system (1) is capable of sending and receiving operating condition detection information items in a communication network (N) established by wireless intercommunication means (10) provided in the uniaxial eccentric screw pumps (100). Further, the operating condition detection information items aggregated to a coordinator (10a) can be sent to the Internet via Internet connection means (30). By this means, a state is achieved in which the operating conditions of the uniaxial eccentric screw pumps (100) can be monitored by monitoring means (50) connected to the Internet.

129 PISTON WITH REPLACEABLE AND/OR ADJUSTABLE SURFACES EP12820569.7 2012-08-02 EP2739854A1 2014-06-11 Ramos, Rolando, Nico, M; Blodgett, William W.
A piston for a pump includes a hub portion defining opposing outer surfaces and concave lateral portions between the opposing outer surfaces. The piston also includes inserts configured to provide a replaceable surface, the inserts being coupled to each of the opposing outer surfaces. A pump includes a housing having an inlet and an outlet, and at least two pistons having a hub portion and inserts. The pump may be a positive-displacement, rotary pump, and the pistons may be circumferential pistons.
130 SCROLL FLUID MACHINE EP11828660.8 2011-08-24 EP2623785A1 2013-08-07 SATO, Toru; ASAMI, Junichi

A disc-like spacer 78 arranged below a first roller bearing 54 rotatably supporting a driven crankshaft 52 that forms an anti-rotation system 50 is formed with a plurality of notches 78a in the circumferential direction. A spot face 80 is provided to face the outer circumferential surface of the spacer 78, and communication holes 82 and 86 are drilled on the outer circumferential side of the spot face 80 to extend in the axial direction of the scroll. Also formed is a communication hole communicating the communication hole 86 with the first roller bearing 54 via the notches 78a. A grease nipple 88 is mounted to the communication hole 86. To replenish grease, the fixed scroll 10 is removed from the housing 40 such that the orbiting scroll 20 is exposed, and grease is injected from the grease nipple 88 into the first roller bearing 54 with a grease gun.

131 DREHKOLBENPUMPE EP00941960.7 2000-05-18 EP1282777B1 2007-08-15 VOGELSANG, Harald
The invention relates to a pump (1) comprising one or several rotating pistons (3; 103; 203; 303; 403), in particular for the delivery of substantially liquid media. At least sections of said piston(s) (3; 103; 203; 303; 403) have a surface layer (17; 117; 217; 317; 417) consisting of a polymer, in particular an elastomer. The invention is characterized in that the polymer layer has at least one cavity (19; 119; 219; 319; 419), into which a support body (20; 120; 220; 320; 420) can be introduced, said body being designed to extend the polymer layer (17; 117; 217; 317; 417).
132 Hermetic multistage vacuum pump EP03019688.5 2003-09-09 EP1398506A3 2006-05-17 Kuramoto, Satoru, K.K. Toyota Jidoshokki; Kawaguchi, Masahiro, K.K. Toyota Jidoshokki; Yamamoto, Shinya, K.K. Toyota Jidoshokki; Hoshino, Nobuaki, K.K. Toyota Jidoshokki; Kuwahara, Mamoru, K.K. Toyota Jidoshokki

A fluid pump includes a housing, a drive source, a rotary unit and a pumping mechanism. The drive source is accommodated in the housing and includes a rotary member for rotation. The rotary unit includes the rotary member and a rotary shaft, which is operatively connected to the rotary member for rotation. The rotary unit forming an engaging portion for engaging with a maintenance tool which is prepared outside the housing. The pumping mechanism is placed in the housing and is operated in accordance with the rotation of the rotary shaft. An allowing means is formed in the housing for allowing the maintenance tool to engage with the engaging portion so as to face the engaging portion. The rotary shaft is rotated by rotating the maintenance tool in a state that the maintenance tool is engaged with the engaged portion.

133 Hermetic multistage vacuum pump EP03019688.5 2003-09-09 EP1398506A2 2004-03-17 Kuramoto, Satoru, K.K. Toyota Jidoshokki; Kawaguchi, Masahiro, K.K. Toyota Jidoshokki; Yamamoto, Shinya, K.K. Toyota Jidoshokki; Hoshino, Nobuaki, K.K. Toyota Jidoshokki; Kuwahara, Mamoru, K.K. Toyota Jidoshokki

A fluid pump includes a housing, a drive source, a rotary unit and a pumping mechanism. The drive source is accommodated in the housing and includes a rotary member for rotation. The rotary unit includes the rotary member and a rotary shaft, which is operatively connected to the rotary member for rotation. The rotary unit forming an engaging portion for engaging with a maintenance tool which is prepared outside the housing. The pumping mechanism is placed in the housing and is operated in accordance with the rotation of the rotary shaft. An allowing means is formed in the housing for allowing the maintenance tool to engage with the engaging portion so as to face the engaging portion. The rotary shaft is rotated by rotating the maintenance tool in a state that the maintenance tool is engaged with the engaged portion.

134 DREHKOLBENPUMPE EP00941960.7 2000-05-18 EP1282777A1 2003-02-12 VOGELSANG, Harald
The invention relates to a pump (1) comprising one or several rotating pistons (3; 103; 203; 303; 403), in particular for the delivery of substantially liquid media. At least sections of said piston(s) (3; 103; 203; 303; 403) have a surface layer (17; 117; 217; 317; 417) consisting of a polymer, in particular an elastomer. The invention is characterized in that the polymer layer has at least one cavity (19; 119; 219; 319; 419), into which a support body (20; 120; 220; 320; 420) can be introduced, said body being designed to extend the polymer layer (17; 117; 217; 317; 417).
135 COMPRESSOR SERVICE TOOL PCT/US2007077719 2007-09-06 WO2008030930A3 2008-06-26 HEITZ JEAN-FRANCOIS; CHANON JEAN-PIERRE; VON BORSTEL STEVEN E
In a method for servicing an apparatus having a compressor (22) mounted to a support structure (32, 38, 40), a guide structure (102, 104; 202, 204) is placed adjacent to the support structure. The compressor is lifted from an installed position. The compressor is withdrawn by rolling the compressor along the support structure and guide structure.
136 ROTATING PISTON PUMP PCT/EP0004519 2000-05-18 WO0188377A8 2002-07-25 VOGELSANG HARALD
The invention relates to a pump (1) comprising one or several rotating pistons (3; 103; 203; 303; 403), in particular for the delivery of substantially liquid media. At least sections of said piston(s) (3; 103; 203; 303; 403) have a surface layer (17; 117; 217; 317; 417) consisting of a polymer, in particular an elastomer. The invention is characterized in that the polymer layer has at least one cavity (19; 119; 219; 319; 419), into which a support body (20; 120; 220; 320; 420) can be introduced, said body being designed to extend the polymer layer (17; 117; 217; 317; 417).
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