F16D2048/0257 - CPC Classification Index

ClassID:

148547 ⎘

F16D2048/0257 - CPC Classification

Classification description:

External control of clutches; Control by fluid pressure Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof

Sub-classes:

F16D2048/026 » {The controlling actuation is directly performed by the pressure source, i.e. there is no intermediate valve for controlling flow or pressure} 6
F16D2048/0263 » {Passive valves between pressure source and actuating cylinder, e.g. check valves or throttle valves} 19
F16D2048/0266 » {Actively controlled valves between pressure source and actuation cylinder} 41
F16D2048/0269 » {Single valve for switching between fluid supply to actuation cylinder or draining to the sump} 29
F16D2048/0272 » {Two valves, where one valve is supplying fluid to the cylinder and the other valve is for draining fluid to the sump} 9
F16D2048/0275 » {Two valves arranged in parallel, e.g. one for coarse and the other for fine control during supplying or draining fluid from the actuation cylinder} 12
F16D2048/0278 » {Two valves in series arrangement for controlling supply to actuation cylinder} 17
F16D2048/0281 » {Complex circuits with more than two valves in series or special arrangements thereof not provided for in previous groups} 69
F16D2048/0284 » {characterised by valve arrangements supplying fluid to a two chamber- cylinder} 12
F16D2048/0287 » {Hydraulic circuits combining clutch actuation and other hydraulic systems} 20
F16D2048/0296 » {Hydraulic circuits controlled exclusively by hydraulic pressure, i.e. with no electrically controlled valves} 1

Recent Application in this class:

20250382995

2025-12-18

PRESSURE MODULATING CLUTCH CONTROL ASSEMBLY

20240110602

2024-04-04

HYDRAULIC CIRCUIT FOR POWER TRANSMISSION DEVICE

20230313851

2023-10-05

Method for Operating a Fluid Supply System

20220205496

2022-06-30

Actuation method for a hydraulic system having a pump and valves for supplying multiple consumers and a cooling and/or lubricating device, and hydraulic system