US2026001576A1PendingUtilityA1
Rail Vehicle with Pneumatic Suspension
Assignee: SIEMENS MOBILITY AUSTRIA GMBHPriority: May 25, 2022Filed: May 24, 2023Published: Jan 1, 2026
Est. expiryMay 25, 2042(~15.8 yrs left)· nominal 20-yr term from priority
Inventors:ATZMUELLER JOHANNESWEILGUNI GERHARDGROSZSCHÄDL ROMANGÖDL WERNERROSSEGGER ENGELBERTSCHMID JOHANN PETER
B61F 1/08B61F 5/10B61F 1/12
45
PatentIndex Score
0
Cited by
0
References
0
Claims
Abstract
A rail vehicle with a pneumatic suspension includes a car body and at least one chassis that is rotatably supported relative to the car body, wherein at least one pneumatic spring is arranged between the car body and the chassis, and each pneumatic spring is paired with an auxiliary air tank that has a volume that is connected to the volume of the pneumatic spring, where the auxiliary air tank is arranged above the pneumatic spring and extends in a recess in the car body.
Claims
exact text as granted — not AI-modified1 .- 6 . (canceled)
7 . A rail vehicle with pneumatic suspension, comprising:
a car body; at least one chassis rotatable mounted relative to the car body; and at least one pneumatic spring arranged between the car body and the at least one chassis; wherein each pneumatic spring is paired with an auxiliary air tank having a volume which is connected to a volume of the pneumatic spring; and wherein the auxiliary air tank is arranged above the pneumatic spring and extends in a recess in the car body.
8 . The rail vehicle with pneumatic suspension as claimed in claim 7 , wherein the recess is formed in a main cross member of the car body.
9 . The rail vehicle with pneumatic suspension as claimed in claim 8 , wherein the main cross member is produced from a plurality of steel components which are welded together.
10 . The rail vehicle with pneumatic suspension as claimed in claim 7 , wherein the at least one auxiliary air tank is made of light metal via a casting process.
11 . The rail vehicle with pneumatic suspension as claimed in claim 8 , wherein the at least one auxiliary air tank is made of light metal via a casting process.
12 . The rail vehicle with pneumatic suspension as claimed in claim 9 , wherein the at least one auxiliary air tank is made of light metal via a casting process.
13 . The rail vehicle with pneumatic suspension as claimed in claim 10 , wherein the auxiliary air tank comprises a hollow shape having the volume which is connected to the volume of the pneumatic spring.
14 . The rail vehicle with pneumatic suspension as claimed in claim 13 , wherein the hollow shape extends annularly around the pneumatic spring and in a substantially cuboid shape in a direction of a center of the car body.Join the waitlist — get patent alerts
Track US2026001576A1 — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.