Throttle

Details Throttle Throttle

1975-08-06

1977-05-17

Smith, Robert I.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

137468, F15D 710

Patent

active

040235947

ABSTRACT:
A throttle for use in hydraulic drives requiring low flow rate of liquid includes a stationary housing and a rotor located in said housing. In the housing on the side facing the rotor, provision is made for an insert which is mounted with a clearance with respect to the rotor and the clearance serves as a passage for liquid to pass.
The insert is made of the material whose linear expansion factor is larger than that of the material the housing is made of.
The insert changes its linear dimensions against the liquid temperature variation, the liquid flow rate remains uniformly constant or invariable with the liquid temperature change.

REFERENCES:
patent: 1926413 (1933-09-01), Tibbs
patent: 3340899 (1967-09-01), Welty et al.
patent: 3521662 (1970-07-01), Bache
patent: 3552444 (1971-01-01), Levesque

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