Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00

Child Classifications

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• F04B 49/002 CPC only CPC only
• F04B 49/005 CPC only CPC only
• F04B 49/007 CPC only CPC only
• F04B 49/02 Stopping, starting, unloading or idling control +1 CPC IPC+CPC Available in IPC and CPC
• F04B 49/04 Regulating by means of floats (F04B49/025 takes precedence) IPC+CPC Available in IPC and CPC
• F04B 49/06 Control using electricity (regulating by means of floats actuating electric switches F04B49/04) +1 CPC IPC+CPC Available in IPC and CPC
• F04B 49/08 Regulating by delivery pressure IPC+CPC Available in IPC and CPC
• F04B 49/10 Other safety measures +2 CPC IPC+CPC Available in IPC and CPC
• F04B 49/12 by varying the length of stroke of the working members since 1995 +2 CPC IPC+CPC Available in IPC and CPC
• F04B 49/16 by adjusting the capacity of dead spaces of working chambers since 1995 IPC+CPC Available in IPC and CPC
• F04B 49/18 by changing the effective cross-section of the working surface of the piston since 1995 IPC+CPC Available in IPC and CPC
• F04B 49/20 by changing the driving speed since 1995 IPC+CPC Available in IPC and CPC
• F04B 49/22 by means of valves (F04B49/03 takes precedence) since 1995 +1 CPC IPC+CPC Available in IPC and CPC