Pressurizing booster compressor
a booster compressor and compressor technology, applied in the direction of positive displacement liquid engines, piston pumps, liquid fuel engines, etc., can solve the problems of increasing the change of a torque to unbalance the rotation of the crank shaft, the structure forming the crank case may be damaged, etc., to achieve the effect of increasing the weight and the escalation of the cost, preventing the damage of the structure forming the booster compressor, and simple and low-cost configuration
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first embodiment
[0028]Next, a first embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 illustrates a configuration of a pressurizing booster compressor 10 according to the present embodiment. As illustrated in FIG. 1, the pressurizing booster compressor 10 includes a cylinder 12, and a cylinder head 14 disposed on the cylinder 12 via a valve spacer 39. A piston 16 is reciprocatably contained inside the cylinder 12. A crank case 18 is coupled with a lower portion of the cylinder 12. A compression chamber P is formed by the cylinder 12, the valve spacer 39, the cylinder head 14, and the piston 16.
[0029]The crank case 18 includes a partition wall, and this partition wall includes a hollow cylindrical body 20 and a flat circular end plate 22. The hollow cylindrical body 20 includes a cylindrical outer peripheral wall 20a, and a flat circular end wall 20b provided integrally with the outer peripheral wall 20a and forming one end surface. The hollow cylindrical ...
second embodiment
[0045]Next, a second embodiment of the present invention will be described with reference to FIG. 3. In FIG. 3, a low-strength wall 50B according to the present embodiment forms a circular through-hole 22b through the end plate 22. Then, a circular low-strength plate 54, which is larger in diameter than the through-hole 22b and is configured as a thin plate, is brought into abutment with the through-hole 22b from outside the end plate 22, thereby shielding the through-hole 22b. A fixation member 56, which fixes the low-strength plate 54, is provided outside the low-strength plate 54. The fixation member 56 has a circular shape larger in diameter than the low-strength plate 54. A circular recess 56a, which is large and deep enough to be able to contain the low-strength plate 54 therein, is formed at a center of the fixation member 56.
[0046]The fixation member 56 is fixed to an outer surface of the end plate 22 by a joining member, such as a bolt 58, in an attachable and detachable ma...
third embodiment
[0049]Next, a configuration of a low-strength wall 50C according to a third embodiment of the present invention will be described with reference to FIGS. 4 to 6. In FIGS. 4 to 6, a quadrilateral through-hole 22c is formed through the end plate 22. A quadrilateral fixation member 62, which is sufficiently larger in area than an opening area of the through-hole 22c, is disposed on the outer surface of the end plate 22 so as to cover the through-hole 22c. The fixation member 62 is fixedly attached to the outer surface of the end plate 22 by a method such as welding. A recess 62a, which is deep enough to allow a low-strength plate 60 to be press fitted therein, is formed on an inner surface of the fixation member 62. As illustrated in FIG. 5, the recess 62a is larger in area than the opening area of the through-hole 22c, and is formed across an entire length of a horizontal side 62b of the fixation member 62. An opening (not illustrated), which is used to expose the low-strength plate 6...
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