US 10,753,056 B2Granted

Hydraulic apparatus for supplying an assembly of track-setting devices for a tracked vehicle, the assembly of track-setting devices and the tracked vehicle

AssigneePrinoth S.P.A.

InventorsLuca Saggiorato, Markus Unterholzner, Stefan Baier

Life of this patent

Estimating the term…

Loading patent…

Abstract

A hydraulic apparatus configured to supply track-setting devices for producing a cross-country skiing trail; the apparatus comprising: a first inlet configured to receive a fluid; a first outlet and a second outlet configured to release two flows of fluid; a first hydraulic coupling motor having a second inlet, a third outlet and a first shaft; and a second hydraulic coupling motor having a third inlet, a fourth outlet and a second shaft; wherein the second inlet and the third inlet are connected to the first inlet, and the first shaft and the second shaft are integrally connected to each other, the third outlet being connected to the first outlet, and the fourth outlet being connected to the second outlet.

Claims7

Dependent claims

An assembly of track-setting devices comprising:

a first auxiliary tiller having a first hydraulic drive motor;
a second auxiliary tiller having a second hydraulic drive motor;
and
a hydraulic apparatus comprising
a first inlet configured to receive a fluid,
a first outlet and a second outlet configured to release two flows of the fluid,
a first hydraulic coupling motor having a second inlet, a third outlet and a first shaft, and
a second hydraulic coupling motor having a third inlet, a fourth outlet and a second shaft, wherein:
the second inlet of the first hydraulic coupling motor and the third inlet of the second hydraulic coupling motor are connected to the first inlet,
the first shaft of the first hydraulic coupling motor and the second shaft of the second hydraulic coupling motor are integrally connected to each other,
the third outlet of the first hydraulic coupling motor is connected to the first outlet,
the fourth outlet of the second hydraulic coupling motor is connected to the second outlet,
the first hydraulic drive motor is supplied by the first outlet, and
the second hydraulic drive motor is supplied by the second outlet.

11 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/090,989Filed 7 Apr 2017
Priority: IT 1020160000359487 Apr 2016
Published: US 2019/0112769 A118 Apr 2019
Granted: 25 Aug 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification12 codes

E01H 4/02
Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow: for sporting…
F15B 11/22
With two or more servomotors: synchronisation of the movement of two or more servomotors
F16H 61/40
Control of exclusively fluid gearing: hydrostatic
F15B 2211/40538
With flow dividers: using volumetric pumps or motors