Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2976950A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIDNEY WILLIAM RICHARDS
General Electric Co PLC
Original Assignee
SIDNEY WILLIAM RICHARDS
General Electric Co PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SIDNEY WILLIAM RICHARDS, General Electric Co PLCfiledCriticalSIDNEY WILLIAM RICHARDS
Priority to GB2976950ApriorityCriticalpatent/GB703920A/en
Publication of GB703920ApublicationCriticalpatent/GB703920A/en
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/02—Bases, casings, or covers
H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
H01H9/042—Explosion-proof cases
Landscapes
Fluid-Pressure Circuits
(AREA)
Separation By Low-Temperature Treatments
(AREA)
Circuit Breakers
(AREA)
Abstract
703,920. Pneumatic actuation of switches. GENERAL ELECTRIC CO., Ltd., and RICHARDS, S. W. Dec. 5, 1951 [Dec. 5, 1950], No. 29769/50. Class 38(5) [Also in Group XXI] A switch 24 comprises contacts 26 which are carried by a piston 25 and are closed when the piston is raised by gas pressure against a spring. Specifications 648,556, 648,557, [Group XI], and 648,558, [Group XXXVI], are referred to.
GB2976950A1950-12-051950-12-05Improvements in or relating to electric distribution systems
ExpiredGB703920A
(en)