Hermetic compressor
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsMasakazu Yamaoka, Akio Yagi, Tsuyoshi Matsumoto
Life of this patent
Estimating the term…
Abstract
In a stopper, by providing, in a position corresponding to a movable end vicinity of a discharge reed, a first regulation part having a predetermined clearance from the movable end vicinity of the discharge reed, since a hermetic compressor has such a two-stage spring characteristic that, until the movable end vicinity of the discharge reed touches the first regulation part, a spring characteristic is weak and, after the touch, the spring characteristic is strong, and there is obtained a discharge valve device which is easy to open and whose closing speed is rapid, it is possible to improve a delay in closing.
Claims5
A hermetic compressor comprising:
- a cylinder in which a piston performs a reciprocating motion;
- a valve plate sealing an open end of the cylinder and having a discharge valve device in a side reverse to the cylinder;
- and
- a head in which a discharge chamber for accommodating the discharge valve device is formed,
- the discharge valve device including:
- a discharge hole communicating into the cylinder provided in the valve plate;
- a valve seat part formed in a side reverse to the cylinder at the discharge hole;
- a discharge reed formed of a leaf spring material and having an opening/closing part for opening and closing the discharge hole;
- and
- a stopper regulating an opening quantity of the discharge reed, and including a first regulation part having a predetermined clearance from the discharge reed at a position corresponding to a movable end vicinity of the discharge reed.
Dependencies are inferred from the claim text.