Orifice element with integrated filter, slow return valve,...

Details Orifice element with integrated filter, slow return valve,... Orifice element with integrated filter, slow return valve,...

2008-03-18

2008-03-18

Lazo, Thomas E. (Department: 3745)

Power plants

Pressure fluid source and motor

With means purging, cleaning or separating undesirables from...

C060S454000

Reexamination Certificate

active

11371314

ABSTRACT:
A filter-integrated orifice element is provided which can reduce manufacturing costs and assembling costs in a hydraulic circuit for which size reduction is desirable. A filter-integrated orifice element is obtained by integrating a filter for removing an obstacle which could block an orifice with an orifice member. The filter-integrated orifice element may be used in a slow return valve in a hydraulic circuit.

REFERENCES:
patent: 3640066 (1972-02-01), Marshall et al.
patent: 5766469 (1998-06-01), Boast et al.
patent: 7069675 (2006-07-01), Nishi et al.
patent: 07259810 (1995-10-01), None
patent: 2858168 (1998-12-01), None

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