Global Patent Index - EP 1021672 A1

EP 1021672 A1 2000-07-26 - A VALVE AND ACTUATOR IN COMBINATION

Title (en)

A VALVE AND ACTUATOR IN COMBINATION

Title (de)

KOMBINATION VON AKTUATOR UND VENTIL

Title (fr)

SOUPAPE ET SERVOCOMMANDE COMBINEES

Publication

EP 1021672 A1 (EN)

Application

EP 97944622 A

Priority

US 9717956 W

Abstract (en)

[origin: WO9918381A1] A valve (2) and actuator (3) in combination with a transportation tank (403, 1102) to operate off of low pneumatic pressures including a valve (2) and a valve body (4) with a tank end (5), a valve seat (23, 24) near the tank end (5) of the valve body (4), the valve seat having a value sealing surface (23-25); a stem chamber (7) extending through the valve body (4), the stem chamber (7) having an actuator port (22), a seat port (21), and an outlet port (8); a valve stem (13) slidably positioned in the stem chamber (7), the valve stem (13) having a plug end (14) and a plug (17) attached to the plug end (14), the plug (17) having a plug sealing surface (25, 26) to sealingly contact the valve sealing surface (23, 24); an actuator (3) has a hollow housing (100) with a valve end (10), the valve end (10) attached to the valve body (4); a plurality of piston assemblies (103), each having a piston (104) slidable in the housing (100) and a partition (105) fixed in the housing (100), the piston (104) and the partition (105) defining an actuator chamber (107).

IPC 1-7 (main, further and additional classification)

F16K 31/122; F16K 27/12

IPC 8 full level (invention and additional information)

F16K 27/07 (2006.01); F16K 31/122 (2006.01)

CPC (invention and additional information)

F16K 27/07 (2013.01); F16K 31/1225 (2013.01)

Citation (search report)

See references of WO 9918381A1

Designated contracting state (EPC)

BE CH DE FR GB LI

EPO simple patent family

WO 9918381 A1 19990415; CA 2316261 A1 19990415; EP 1021672 A1 20000726

INPADOC legal status


2002-12-18 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020503

2000-07-26 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000505

2000-07-26 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): BE CH DE FR GB LI