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AssigneeIshikawajima-Harima Heavy Industries Co., Ltd.
InventorsMitsushi Maeyama, Yoshiyuki Miyagi, Shigeru Takabe, Masahiro Makita, Masayoshi Sasaki, Tatsuya Fujii
Estimating the term…
A plurality of profile portion divided metal molds 12 surround a profile portion 11a of a supercharger rotor 11 to allow division. A pair of end metal molds 14 and 15 surround both ends of the rotor. A helical core 16 is attached to one end metal mold 14 so as to be helically passed through the profile portion of the rotor. A rotor-shaped cavity 13 is formed inside by the profile portion divided metal molds, and the end metal molds. Hot metal is pressurized, and injected and solidified in the cavity. Then, the end metal mold 14 having the helical core is pulled out by being rotated along a helical line.
A method for manufacturing a supercharger rotor, providing;
An apparatus for manufacturing a supercharger rotor, comprising:
A method for manufacturing a supercharger rotor, providing;
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Casting in, on, or around objects which form part of the product: rotors, stators for electrical motors
Dies ; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies: accessories for locating…
Casting in, on, or around objects which form part of the product: pretreatment of the insert, e.g. for enhancing the bonding between insert and…
Thread or helix generating: process
Term ended 24 Apr 2022 (estimated)
1. Field of the Invention
The present invention relates to a method and an apparatus for manufacturing a supercharger rotor.
2. Description of the Related Art
FIG. 1 is a schematic view of a supercharger rotor.
FIGS. 2A and 2B are schematic views, each showing a conventional casting method.
FIG. 3 is an entire constitutional view of an apparatus for manufacturing a supercharger rotor according to the present invention.
Next, description will be made of the preferred embodiments of the present invention with reference to the accompanying drawings. Same components in the drawings will be denoted by same reference numerals, and overlapped explanation will be omitted.
FIG. 3 is an entire constitutional view of an apparatus for manufacturing a supercharger rotor according to the present invention. As shown, a rotor manufacturing apparatus 10 of the present invention comprises a plurality of profile portion divided metal molds 12, a pair of end metal molds 14 and 15, and a rotary pulling-out device 18.
The plurality (e.g., 4 divisions) of profile portion divided metal molds 12 surround a profile portion 11a (not shown, see FIG. 4B) of a supercharger rotor 11 so as to allow its division, and form a cavity 13 equivalent to the profile portion 11a inside. Hot metal can be injected through a hot metal path into the cavity 13. Each profile portion divided metal mold 12 can be moved in a direction orthogonal to a rotor shaft between a casting position (indicated by two-dot chain line) and a separating position (indicated by solid line).