IP Library › Granted Patent US 12680546
Granted Patent B2
US 12680546 · App. 18/862,391 · Granted Jul 14, 2026

Liquid separation device for a compressor system and compressor system having such a liquid separation device

Inventors: Cornelia Springl (Bernau am Chiemsee, DE); Thomas Kipp (Munich, DE); Elias Donat (Öhringen, DE); Jakob Rostocki (Ellhofen, DE); Steffen Gorzawski (Bad Rappenau, DE)
Assignee: KNORR-BREMSE SYSTEME FÜR SCHIENENFAHRZEUGE GMBH
F04C29/026F04C2240/30
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12680546
App. No.
18/862,391
Filed
Nov 1, 2024
Granted
Jul 14, 2026
Kind
B2
Art Unit
3746
USPC
418/55.6
Abstract

A liquid separation device for a compressor system has at least one coarse separation unit, which has at least one coarse separator and a liquid removal device; at least one fine separation unit, which has at least one fine separator and a liquid removal device; and at least one liquid removal channel which leads off a liquid from the respective liquid removal devices, wherein the at least one liquid removal channel is formed in the liquid separation device.

Claims (40)

1 . A liquid separation device for a compressor system, the liquid separation device comprising:

at least one coarse separation unit, which has at least one coarse separator and one liquid removal device,

at least one fine separation unit, which has at least one fine separator and one liquid removal device, and

at least one liquid removal channel, which discharges a liquid from the respective liquid removal devices,

wherein the at least one liquid removal channel is formed in the liquid separation device,

wherein the at least one liquid removal channel is formed by a housing of the liquid separation device, and

wherein at least one nozzle is arranged in the at least one liquid removal channel or is formed at least in part by the liquid channel.

2 . The liquid separation device of claim 1 , wherein:

the at least one liquid removal channel has at least two channel portions, of which at least one channel portion is fluidically connected to the liquid removal device of the coarse separation unit and the at least one other channel portion is fluidically connected to the liquid removal device of the fine separation unit, or

the liquid separation device has at least two liquid removal channels, of which at least one liquid removal channel is fluidically connected to the liquid removal device of the coarse separation unit and the at least one other liquid removal channel is fluidically connected to the liquid removal device of the fine separation unit.

3 . The liquid separation device of claim 2 , wherein at least one backflow prevention device is arranged in each of the at least two channel portions or in each of the at least two liquid removal channels, and

wherein the backflow prevention device is configured to prevent a backflow from the at least two channel portions or the at least two liquid channels into the liquid removal device respectively connected thereto.

4 . The liquid separation device of claim 3 , wherein the at least one backflow prevention device is arranged in each of the at least two channel portions or in each of the at least two liquid removal channels, and

wherein the backflow prevention device that can be assigned to one of the at least two channel portions or to one of the at least two liquid removal channels has a different response behavior than the backflow prevention device that can be assigned to the other of the at least two channel portions or to the other of the at least two liquid removal channels.

5 . The liquid separation device of claim 4 , wherein the at least one nozzle is arranged in each of the at least two channel portions or in each of the at least two liquid removal channels as claimed in claim 3 , and wherein the nozzle that can be assigned to one of the at least two channel portions or to one of the at least two liquid removal channels has a different cross section than the nozzle that can be assigned to the other of the at least two channel portions or to the other of the at least two liquid removal channels.

6 . The liquid separation device of claim 3 , wherein the backflow prevention device and/or the nozzle can be screwed into the at least one liquid removal channel.

7 . The liquid separation device of claim 3 , wherein the backflow prevention device and the nozzle are formed by a common throughflow control device.

8 . The liquid separation device of claim 1 , wherein, when the liquid separation device is installed, the at least one liquid removal device of the coarse separation unit and/or the at least one liquid removal device of the fine separation unit is arranged below the respectively associated separator in a flow-calmed region of the particular separation unit.

9 . The liquid separation device of claim 1 , wherein the at least one liquid removal device of the coarse separation unit and/or the at least one liquid removal device of the fine separation unit has a liquid outlet to the at least one liquid removal channel, which liquid outlet is situated at a lowest point of the at least one liquid removal device of the coarse separation unit, and/or of the at least one liquid removal device of the fine separation unit, when the liquid separation device is installed as intended for use.

10 . The liquid separation device of claim 1 , wherein the at least one liquid removal device of the coarse separation unit and/or the at least one liquid removal device of the fine separation unit is formed as a releasable cover for fastening to the housing of the liquid separation device.

11 . The liquid separation device of claim 1 , wherein the at least one liquid removal channel is formed as a branch line or ring line.

12 . A compressor system comprising:

a compressor and

a liquid separation device including at least one coarse separation unit, which has at least one coarse separator and one liquid removal device, at least one fine separation unit, which has at least one fine separator and one liquid removal device, and at least one liquid removal channel, which discharges a liquid from the respective liquid removal devices, wherein the at least one liquid removal channel is formed in the liquid separation device, wherein the at least one liquid removal channel is formed by a housing of the liquid separation device, and

wherein at least one nozzle is arranged in the at least one liquid removal channel or is formed at least in part by the liquid channel

wherein the liquid separation device is arranged outside a housing of the compressor.

13 . The compressor system of claim 12 , wherein the housing of the compressor adjoins the housing of the liquid separation device, and, the at least one liquid removal channel adjoins a suction channel of the compressor.

14 . A rail vehicle comprising:

a compressor system that includes a compressor and a liquid separation device including at least one coarse separation unit, which has at least one coarse separator and one liquid removal device, at least one fine separation unit, which has at least one fine separator and one liquid removal device, and at least one liquid removal channel, which discharges a liquid from the respective liquid removal devices, wherein the at least one liquid removal channel is formed in the liquid separation device, wherein the at least one liquid removal channel is formed by a housing of the liquid separation device, and wherein at least one nozzle is arranged in the at least one liquid removal channel or is formed at least in part by the liquid channel,

wherein the liquid separation device is arranged outside a housing of the compressor.

15 . The compressor system of claim 12 , wherein:

the at least one liquid removal channel has at least two channel portions, of which at least one channel portion is fluidically connected to the liquid removal device of the coarse separation unit and the at least one other channel portion is fluidically connected to the liquid removal device of the fine separation unit, or

the liquid separation device has at least two liquid removal channels, of which at least one liquid removal channel is fluidically connected to the liquid removal device of the coarse separation unit and the at least one other liquid removal channel is fluidically connected to the liquid removal device of the fine separation unit.

16 . The compressor system of claim 15 , wherein at least one backflow prevention device is arranged in each of the at least two channel portions or in each of the at least two liquid removal channels, and

wherein the backflow prevention device is configured to prevent a backflow from the at least two channel portions or the at least two liquid channels into the liquid removal device respectively connected thereto.

17 . The rail vehicle of claim 14 , wherein:

the at least one liquid removal channel has at least two channel portions, of which at least one channel portion is fluidically connected to the liquid removal device of the coarse separation unit and the at least one other channel portion is fluidically connected to the liquid removal device of the fine separation unit, or

the liquid separation device has at least two liquid removal channels, of which at least one liquid removal channel is fluidically connected to the liquid removal device of the coarse separation unit and the at least one other liquid removal channel is fluidically connected to the liquid removal device of the fine separation unit.

18 . The rail vehicle of claim 17 , wherein at least one backflow prevention device is arranged in each of the at least two channel portions or in each of the at least two liquid removal channels, and

wherein the backflow prevention device is configured to prevent a backflow from the at least two channel portions or the at least two liquid channels into the liquid removal device respectively connected thereto.